発表論文

1. Yasuhisa Oya, Kyosuke Ashizawa, Fei Sun, Shiori Hirata, Naoko Ashikawa, Yoji Someya, Yuji Hatano, Robert Kolasinski, Chase N. Taylor, Masashi Shimada, “Effect of He seeding on hydrogen isotope permeation in tungsten by H-D mixed plasma exposure”, Fusion Engineering and Design, 194 (2023) 113722.
2. Guangfan Tan, Liang Cai, Haifeng Xue, Xin Hu, Xiaoxu Dong, Hangyu Jiang, Xiuhong Yang, Yasuhisa Oya, Yingchun Zhang, “Fabrication of porous Li₄SiO₄ ceramic sorbent pebbles with high CO₂ sorption capacity via the simple freeze-drying method”, Separation and Purification Technology, 311 (2023) 123343.
3. Chase N. Taylor, Masashi Shimada, Yuji Nobuta, Makoto I. Kobayashi, Yasuhisa Oya, Yuji Hatano, Takaaki Koyanagi, “Surface chemistry of neutron irradiated tungsten in a high-temperature multi-material environment”, Nuclear Materials and Energy, 34 (2023) 101323.
4. Qilai Zhou, Fei Sun, Shiori Hirata, Sicheng Li, Yuanyuan Li, Yasuhisa Oya, “Effect of neutron dose on the tritium release behavior of Li₂TiO₃–0.5Li₄SiO₄ biphasic ceramic”, International Journal of Hydrogen Energy, 48 (2023) 4363-4370.
5. Shiori Hirata, Kyosuke Ashizawa, Fei Sun, Yongjin Feng, Xiaoyu Wang, Hailiang Wang, Makoto Kobayashi, Akira Taguchi, Yasuhisa Oya, “Tritium recovery behavior for tritium breeder Li₄SiO₄-Li₂TiO₃ biphasic material”, Journal of Nuclear Materials, 567 (2022) 153838.
6. Qiao Wang, Qilai Zhou, Qingbi Xiong, Jianglin Zhou, Sicheng Li, Shiori Hirata, Yasuhisa Oya, “Preparation of Li₂TiO₃-Li₄SiO₄-Pb tritium breeding ceramic and its mechanical properties”, Ceramics International, 48 (2022) 26742-26749.
7. Nobuta, T. Toyama, A. Matsumoto, M. Shimada, Y. Oya, K. Inoue, Y. Nagai, Y. Hatano, “Effect of rhenium addition on deuterium retention in neutron-irradiated tungsten”, Journal of Nuclear Materials, 566 (2022) 153774.
8. Ayaka Koike, Shota Yamazaki, Takuro Wada, Fei Sun, Naoaki Yoshida, Kazuaki Hanada, Yasuhisa Oya, “Evaluation of Hydrogen Retention Behavior for Damaged Tungsten Exposed to Hydrogen Plasma at QUEST with High Temperature Wall”, Fusion Engineering and Design, 176 (2022) 113020.
9. Takuro Wada, Ayaka Koike, Shota Yamazaki, Kyosuke Ashizawa, Fei Sun, Yuji Hatano, Hiroto Shimoyachi, Takahiro Kenmotsu, Takashi Ikka, Yasuhisa Oya, “Protective behavior of tea catechins against DNA double strand breaks produced by radiations with different liner energy transfer”, Fusion Engineering and Design, 172 (2021) 112700.
10. Qiang Qi, Mingzhong Zhao, Fei Sun, Yingchun Zhang, Shouxi Gu, Baolong Ji, Hai-Shan Zhou, Yasuhisa Oya, Songlin Liu, Guang-Nan Luo, “Investigation on effects of tritium release behavior in Li₄SiO₄ pebbles”, Nuclear Materials and Energy, 28 (2021) 101036.
11. Makoto I Kobayashi, Masashi Shimada, Chase N Taylor, Yuji Nobuta, Yuji Hatano, Yasuhisa Oya, “Numerical analysis of deuterium migration behaviors in tungsten damaged by fast neutron by means of gas absorption method”, Fusion Engineering and Design, 168 (2021) 112635.
12. Hanada, N. Yoshida, M. Hasegawa, M. Oya, Y. Oya, I. Takagi, A. Hatayama, T. Shikama, H. Idei, Y. Nagashima, R. Ikezoe, T. Onchi, K. Kuroda, S. Kawasaki, A. Higashijima, T. Nagata, S. Shimabukuro, K. Nakamura, S. Murakami, Y. Takase, X. Gao, H. Liu, J. Qian, “Overview of recent progress on steady state operation of all-metal plasma facing wall device QUEST”, Nuclear Materials and Energy, 27 (2021) 101013.
13. Hiroto Yamashita, Yoshifumi Nishina, Naho Komori, Mizuho Kamoshita, Yasuhisa Oya, Kenji Okuno, Akio Morita, Takashi Ikka, “Cesium uptake and translocation from tea cutting roots (Camellia sinensis L.)”, Journal of Environmental Radioactivity, 235-236 (2021) 106655.
14. Yajima, S. Masuzaki, N. Yoshida, M. Tokitani, T. Otsuka, Y. Oya, Y. Torikai, G. Motojima, the LHD Experiment Group, “Investigation on tritium retention and surface properties on the first wall in the large helical Device”, Nuclear Materials and Energy, 27 (2021) 100906.
15. Ayaka Koike, Moeko Nakata, Shota Yamazaki, Takuro Wada, Fei Sun, Mingzhong Zhao, Naoaki Yoshida, Kazuaki Hanada, Yasuhisa Oya, “Evaluation of hydrogen retention behavior in tungsten exposed to hydrogen plasma in QUEST”, Nuclear Materials and Energy, 26 (2021) 100856.
16. E. Lee, Y. Hatano, M. Tokitani, S. Masuzaki, Y. Oya, T. Otsuka, N. Ashikawa, Y. Torikai, N. Asakura, H. Nakamura, K. Isobe, H. Kurotaki, D. Hamaguchi, T. Hayashi, A. Widdowson, S. Jachmich, J. Likonen, M. Rubel, JET contributors, “Global distribution of tritium in JET with the ITER-like wall”, Nuclear Materials and Energy, 26 (2021) 100930.
17. Masao Matsuyama, Hideki Zushi, Kazuaki Hanada, Yasuhisa Oya, Yuji Hatano, “Effects of irradiation temperature on tritium retention in stainless steel type 316L”, Fusion Engineering and Design, 169 (2021) 112436.
18. Chase N. Taylor, Masashi Shimada, Joseph M. Watkins, Xunxiang Hu, Yasuhisa Oya, “Neutron irradiated tungsten bulk defect characterization by positron annihilation spectroscopy”, Nuclear Materials and Energy 26 (2021) 100936.
19. E. Lee, Y. Hatano, M. Hara, S. Masuzaki, M. Tokitani, M. Oyaizu, H. Kurotaki, D. Hamaguchi, H. Nakamura, N. Asakura, Y. Oya, J. Likonen, A. Widdowson, S. Jachmich, K. Helariutta, M. Rubel, JET Contributors, “Tritium distribution analysis of Be limiter tiles from JET-ITER like wall campaigns using imaging plate technique and β-ray induced X-ray spectrometry”, Fusion Engineering and Design, 160 (2020) 111959.
20. Chun-Shang Wong, Josh A. Whaley, Takuro Wada, Sakumi Harayama, Yasuhisa Oya, Robert D. Kolasinski, “Changes in surface morphology of helium-induced tungsten nanostructure during high-temperature annealing”, Nuclear Materials and Energy, 22 (2020) 100730.
21. Qiang Qi, Jing Wang, Qilai Zhou, Yingchun Zhang, Mingzhong Zhao, Shouxi Gu, Moeko Nakata, Haishan Zhou, Yasuhisa Oya, Guang-Nan Luo, “Comparison of tritium release behavior in Li₂TiO₃ and promising core- shell Li₂TiO₃-Li₄SiO₄ biphasic ceramic pebbles”, Journal of Nuclear Materials, 539 (2020) 152300.
22. Mingzhong Zhao, Shota Yamazaki, Takuro Wada, Ayaka Koike, Fei Sun, Naoko Ashikawa, Yoji Someya, Tetsu Mieno, Yasuhisa Oya, “Deuterium recombination coefficient on tungsten surface determined by plasma driven permeation”, Fusion Engineering and Design, 160 (2020) 111853.
23. Oya, F. Sun, Y. Yamauchi, Y. Nobuta, M. Shimada, C.N. Taylor, W.R. Wampler, M. Nakata, L.M. Garrison, and Y. Hatano, “D retention and depth profile behavior for single crystal tungsten with high temperature neutron irradiation”, Journal of Nuclear Materials, 539 (2020) 152323.
24. Yasuhisa Oya, Suguru Masuzaki, Masayuki Tokitani, Moeko Nakata, Fei Sun,　Makoto Oyaidzu, Kanetsuku Isobe, Nobuyuki Asakura, Teppei Otsuka, Anna Widdowson, Jari Likonen, Marek Rubel and JET contributors, “Comparison of hydrogen isotope retention in divertor tiles of JET with the ITER-Like Wall following campaigns in 2011-2012 and 2015-2016”, Fusion Science and Technology, 76 (2020) 439-445.
25. Sun, X.C. Li, L. Zhang, M. Nakata, M. Zhao, T. Wada, S. Yamazaki, A. Koike, Y. Oya, “Modeling and simulation for surface helium effect on hydrogen isotopes diffusion and trapping/detrapping behavior in plasma facing materials”, Journal of Nuclear Materials, 537 (2020) 152227.
26. Yasuhisa Oya, Akihiro Togari, Moeko Nakata, Ayaka Koike, Takuro Wada, Shota Yamazaki, Mingzhong Zhao, Fei Sun, Miyuki Yajima, Suguru Masuzaki, “Hydrogen isotope exchange at the surface of C-W mixed material layer on tungsten by gas exposure”, Fusion Engineering and Design, 157 (2020) 111633.
27. Sun, M. Nakata, S. E. Lee, M. Zhao, T. Wada, S. Yamazaki, A. Koike, S. Kondo, T. Hinoki, M. Hara, Y. Oya, “Synergistic effects of high energy helium irradiation and damage introduction at high temperature on hydrogen isotope retention in plasma facing materials”, Journal of Nuclear Materials, 533 (2020) 152122.
28. Mingzhong Zhao, Shota Yamazaki, Moeko Nakata, Fei Sun, Takuro Wada, Ayaka Koike, Yoji Someya, Kenji Tobita, Yasuhisa Oya, Development of Plasma Driven Permeation Measurement System for Plasma Facing Materials, Engineering for Sustainable Future. INTER-ACADEMIA 2019. Lecture Notes in Networks and Systems, Springer, 101 (2020) 260–268.
29. Masuzaki, T. Otsuka, K. Ogawa, M. Yajima, M. Tokitani, Q. Zhou, M. Isobe, Y. Oya, N. Yoshida, Y. Nobuta and the LHD Experimental Group, “Investigation of remaining tritium in the LHD vacuum vessel after the first deuterium experimental campaign”, Physica Scripta, T171 (2020) 014068.
30. Qilai Zhou, Akihiro Togari, Moeko Nakata, Mingzhong Zhao, Fei Sun, Miyuki Yajima, Masayuki Tokitani, Suguru Masuzaki, Naoaki Yoshida, Masanori Hara, Yuji Hatano, Yasuhisa Oya, “Helium and hydrogen interaction in tungsten simultaneously irradiated by He⁺-H₂⁺ at high temperature”, International Journal of Hydrogen Energy, 45 (2020) 9959-9968.
31. Mingzhong Zhao, Moeko Nakata, Fei Sun, Yuji Hatano, Yoji Someya, Kenji Tobita, Yasuhisa Oya, “Deuterium Permeation Behavior in Fe Ion Damaged Tungsten Studied by Gas-Driven Permeation Method”, Fusion Science and Technology, 76 (2020) 246-251.
32. Makoto Kobayashi, Masashi Shimada, Chase N. Taylor, Dean Buchenauer, Robert Kolasinski, Takaaki Koyanagi, Yuji Nobuta, Yuji Hatano, Yasuhisa Oya, “Influence of dynamic annealing of irradiation defects on the deuterium retention behaviors in tungsten irradiated with neutron”, Fusion Engineering and Design, 146 (2019) 1624-1627.
33. Qilai Zhou, Akihiro Togari, Moeko Nakata, Mingzhong Zhao, Fei Sun, Qiu Xu , Yasuhisa Oya, “Release kinetics of tritium generation in neutron irradiated biphasic Li₂TiO₃-Li₄SiO₄ ceramic breeder”, Journal of Nuclear Materials, 522 (2019) 286-293.
34. Hanada, N. Yoshida, I. Takagi, T. Hirata, A. Hatayama, K. Okamoto, Y. Oya, T. Shikama, Wang Z., Long H., Huang C.⁠, M. Oya, H. Idei, Y. Nagashima, T. Onchi, M. Hasegawa, K. Nakamura, H. Zushi, K. Kuroda, S. Kawasaki, A. Higashijima, T. Nagata, S. Shimabukuro, Y. Takase, S. Murakami, Gao X., Liu H., Qian J., R. Raman, M. Ono, “Estimation of fuel particle balance in steady state operation with hydrogen barrier model”, Nuclear Materials and Energy, 19 (2019) 544-549.
35. Yasuhisa Oya, Atsuko Sano, Yurina Sato, Moeko Nakata, Qilai Zhou, Akihiro Togari, Naoaki Yoshida, Kazuaki Hanada, “Effect of carbon impurity reduction on hydrogen isotope retention in QUEST high temperature wall”, Fusion Engineering and Design, 146 (2019) 1480-1484.
36. Moeko Nakata, Keisuke Azuma, Akihiro Togari, Qilai Zhou, Mingzhong Zhao, Takeshi Toyama, Yuji Hatano, Naoaki Yoshida, Hideo Watanabe, Masashi Shimada, Dean Buchenauer, Yasuhisa Oya, “Dynamics evaluation of hydrogen isotope behavior in tungsten simulating damage distribution”, Fusion Engineering and Design, 146 (2019) 2096-2099.
37. Yuji Hatano, Yuna Konaka, Hiroto Shimoyachi, Takahiro Kenmotsu, Yasuhisa Oya, Hiroaki Nakamura, “Kinetics of double strand breaks of DNA in tritiated water evaluated using single molecule observation method”, Fusion Engineering and Design, 146 (2019) 100-102.
38. Takumi Chikada, Hikari Fujita, Masayuki Tokitani, Yoshimitsu Hishinuma, Takayuki Terai, Yasuhisa Oya, “Deuterium permeation through monoclinic erbium oxide coating”, Fusion Engineering and Design, 133 (2019) 121-124.
39. Moeki Matsunaga, Seira Horikoshi, Jumpei Mochizuki, Hikari Fujita, Yoshimitsu Hishinuma, Kanetsugu Isobe, Takumi Hayashi, Takayuki Terai, Yasuhisa Oya, Takumi Chikada, Lithium-lead corrosion behavior of erbium oxide, yttrium oxide and zirconium oxide coatings fabricated by metal organic decomposition”, Journal of Nuclear Materials, 511 (2018) 537-543.
40. Takumi Chikada, Hikari Fujita, Anne Houben, Jumpei Mochizuki, Seira Horikoshi, Moeki Matsunaga, Masayuki Tokitani, Yoshimitsu Hishinuma, Sosuke Kondo, Kiyohiro Yabuuchi, Thomas Schwarz-Selinger, Takayuki Terai, Yasuhisa Oya, “Deuterium permeation behavior and its iron-ion irradiation effect in yttrium oxide coating deposited by magnetron sputtering”, Journal of Nuclear Materials, 511 (2018) 560-566.
41. Yasuhisa Oya, Keisuke Azuma, Akihiro Togari, Moeko Nakata, Qilai Zhou, Mingzhong Zhao, Tatsuya Kuwahara, Noriyasu Ohno, Miyuki Yajima, Yuji Hatano and Takeshi Toyama, “Effect of Damage introduction and He existence on D retention in Tungsten by high flux D plasma exposure”, Recent Advances in Technology Research and Education, 53 (2018) 89-96.
42. Mingzhong Zhao, Qilai Zhou, Moeko Nakata, Akihiro Togari, Fei Sun, Yuji Hatano, Naoaki Yoshida, Yasuhisa Oya, “Deuterium removal efficiency in Tugsten as a function of hydrogen ion beam fluence and temperature”, Recent Advances in Technology Research and Education, 53 (2018) 20-27.
43. Rubel, A. Widdowson, J. Grzonka, E. Fortuna-Zalesna, Sunwoo Moon, P. Petersson, N. Ashikawa, N. Asakura, D. Hamaguchi, Y. Hatano, K. Isobe, S. Masuzaki, H. Kurotaki, Y. Oya, M. Oyaidzu, M. Tokitani, JET Contributors, “Dust generation in tokamaks: Overview of beryllium and tungsten dust characterisation in JET with the ITER-like wall”, Fusion Engineering and Design, 136 (2018) 579-586.
44. Tokitani, M. Miyamoto, S. Masuzaki, R. Sakamoto, Y. Oya, Y. Hatano, T. Otsuka, M. Oyaidzu, H. Kurotaki, T. Suzuki, D. Hamaguchi, K. Isobe, N. Asakura, A. Widdowson, K. Heinola, M. Rubel, JET Contributors, “Plasma-wall interaction on the divertor tiles of JET ITER-like wall from the viewpoint of micro/nanoscopic observations”, Fusion Engineering and Design, 136 (2018) 199-204.
45. Otsuka, S. Masuzaki, N. Ashikawa, Y. Hatano, Y. Asakura, Tatsuya Suzuki, Takumi Suzuki, K. Isobe, T. Hayashi, M. Tokitani, Y. Oya, D. Hamaguchi, H. Kurotaki, R. Sakamoto, Hiroyasu Tanigawa, M. Nakamichi, A. Widdowson, M. Rubel, JET Contributors, “Tritium retention characteristics in dust particles in JET with ITER-like wall”, Nuclear Materials and Energy, 17 (2018) 279-283.
46. Yasuhisa Oya, Shodai Sakurada, Keisuke Azuma, Qilai Zhou, Akihiro Togari, Sosuke Kondo, Tatsuya Hinoki, Naoaki Yoshida, Dean Buchenauer, Robert Kolasinski, Masashi Shimada, Chase N. Taylor, Takumi Chikada, Yuji Hatano, “Surface or bulk He existence effect on deuterium retention in Fe ion damaged W”, Nuclear Materials and Energy, 16 (2018) 217-220.
47. Yasuhisa Oya, Kenta Yuyama, Keisuke Azuma, Shodai Sakurada, Hiroe Fujita, Yuki Uemura, Hiroto Matsuura, Masafumi Akiyoshi, Sosuke Kondo, Tatsuya Hinoki and Takumi Chikada, “Radiation exposure effect on deuterium retention in SiC”, Journal of Nuclear and Radiochemical Sciences, 18 (2018) 9-12.
48. Oya, S. Masuzaki, M. Tokitani, K. Azuma, M. Oyaidzu, K. Isobe, N. Asakura, A. Widdowson , K. Heinola, S. Jachmich, M. Rubel, “Correlation of surface chemical states with hydrogen isotope retention in divertor tiles of JET with ITER-Like Wall”, Fusion Engineering and Design, 132 (2018) 24-28.
49. Shimada, Y. Oya, W. Wampler, Y. Yamauchi, C. Taylor, L. Garrison, D. Buchenauer, Y. Hatano, “Deuterium retention in neutron-irradiated single-crystal tungsten”, Fusion Engineering and Design, 136 (2018) 1161-1167.
50. Qilai Zhou, Keisuke Azuma, Akihiro Togari, Miyuki Yajima, Masayuki Tokitani, Suguru Masuzaki, Naoaki Yoshida, Masanori Hara, Yuji Hatano, Yasuhisa Oya, “Helium retention behavior in simultaneously He⁺-H₂⁺ irradiated tungsten”, Journal of Nuclear Materials, 502 (2018) 289-294.
51. Qilai Zhou, Keisuke Azuma, Akihiro Togari, Miyuki Yajima, Masayuki Tokitani, Suguru Masuzaki, Naoaki Yoshida, Masanori Hara, Yuji Hatano, Yasuhisa Oya, “Deuterium retention behavior in simultaneously He⁺–D₂⁺ implanted T tungsten”, Nuclear Materials and Energy, 16 (2018) 76-81.
52. Wei Liu, Jiao Di, Lihong Xue, Heping Li, Yasuhisa Oya, Youwei Yan, “Phase evolution progress and properties of W-Si composites prepared by spark plasma sintering”, Journal of Alloys and Compounds, 766 (2018) 739-747.
53. Hikari Fujita, Jumpei Mochizuki, Seira Horikoshi, Moeki Matsunaga, Teruya Tanaka,Takayuki Terai, Yasuhisa Oya, Takumi Chikada, “The effect of γ-ray irradiation on deuterium permeation through reduced activation ferritic steel and erbium oxide coating”, Nuclear Materials and Energy, 17 (2018) 78-82.
54. Seira Horikoshi, Moeki Matsunaga, Jumpei Mochizuki, Hikari Fujita, Yoshimitsu Hishinuma, Yasuhisa Oya, Takumi Chikada, “Microstructure change and deuterium permeation behavior of ceramic-metal multi-layer coatings after immersion in liquid lithium-lead alloy”, Nuclear Materials and Energy, 16 (2018) 66-70.
55. Takumi Chikada, Hikari Fujita, Jan Engels, Anne Houben, Jumpei Mochizuki, Seira Horikoshi, Moeki Matsunaga, Masayuki Tokitani, Yoshimitsu Hishinuma, Sosuke Kondo, Kiyohiro Yabuuchi, Thomas Schwarz-Selinger, Takayuki Terai, Yasuhisa Oya, “Deuterium permeation behavior and its iron-ion irradiation effect in yttrium oxide coating deposited by magnetron sputtering”, Journal of Nuclear Materials, 511 (2018) 560-566.
56. Moeki Matsunaga, Seira Horikoshi, Jumpei Mochizuki, Hikari Fujita, Yoshimitsu Hishinuma, Kanetsugu Isobe, Takumi Hayashi, Takayuki Terai, Yasuhisa Oya, Takumi Chikada, “Lithium-lead corrosion behavior of erbium oxide, yttrium oxide and zirconium oxide coatings fabricated by metal organic decomposition”, Journal of Nuclear Materials, 511 (2018) 537-543.
57. Rubel, A. Widdowson, J. Grzonka, E. Fortuna-Zalesna, S. Moon, P. Petersson, N. Ashikawa, N. Asakura, D. Hamaguchi, Y. Hatano, K. Isobe, S. Masuzaki, H. Kurotaki, Y. Oya, M. Oyaidzu, M. Tokitani, “Dust generation in tokamaks: Overview of beryllium and tungsten dust characterisation in JET with the ITER-like wall”, Fusion Engineering and Design, 136 (2018) 579-586.
58. Chikada, M. Matsunaga, S. Horikoshi, J. Mochizuki, H. Fujita, Y. Hishinuma, K. Isobe, T. Hayashi, T. Terai, Y. Oya, “Fabrication technology development and characterization of tritium permeation barriers by a liquid phase method”, Fusion Engineering and Design, 136 (2018) 215-218.
59. Zhou, K. Azuma, A. Togari, M. Yajima, M. Tokitani, S. Masuzaki, N. Yoshida, M. Hara, Y. Hatano, Y. Oya, “Helium retention behavior in simultaneously He⁺ -H₂⁺ irradiated tungsten”, Journal of Nuclear Materials, 502 (2018) 289-294.
60. Azuma, A. Togari, Q. Zhou, N. Yoshidas, M. Shimada, C. Taylor, D. Buchenauer, R. Kolasinski, T. Chikada, Y. Oya, “Effect of C-He simultaneous implantation on deuterium retention in damaged W by Fe implantation”, Fusion Engineering and Design, 137 (2018) 10-14.
61. Mochizuki, S. Horikoshi, H. Fujita, M. Matsunaga, Y. Hishinuma, Y. Oya, T. Chikada, “Preparation and characterization of Er₂O₃-ZrO₂ multi-layer coating for tritium permeation barrier by metal organic decomposition”, Fusion Engineering and Design, 136 (2018) 219-222.
62. Tsuchiya, S. Nagata, Y. Mizoguchi, Y. Takagi, M. Ito, Y. Oya, K. Okuno, K. Morita, “Dependence of hydrogen-absorption and -desorption characteristics on density of lithium–zirconium oxides exposed in air at room temperature”, Acta Materialia 148 (2018) 185-192.
63. Ikka, T. Nishina, M. Kamoshita, Y. Oya, K. Okuno, A. Morita, ” Radiocesium uptake through leaf surfaces of tea plants (Camellia sinensis L.)”, Journal of Environmental Radioactivity, 182 (2018) 70-73.
64. Nobuta, S. Masuzaki, M. Tokitani, N. Ashikawa, D. Nagata, N. Yoshida, Y. Oya, M. Yajima, G. Motojima, H. Kasahara, M. Miyamoto, N. Ohno, Y. Yamauchi, “Effects of modified surfaces produced at plasma-facing surface on hydrogen release behavior in the LHD”, Nuclear Materials and Energy, 12 (2017) 483-487.
65. Masuzaki, M. Tokitani, T. Otsuka, Y. Oya, Y. Hatano, M. Miyamoto, R. Sakamoto, N. Ashikawa, S. Sakurada, Y. Uemura, K. Azuma, K. Yumizuru, M. Oyaizu, T. Suzuki, H. Kurotaki, D. Hamaguchi, K. Isobe, N. Asakura, A. Widdowson, K. Heinola, S. Jachmich, M. Rubel, “Analyses of microstructure, composition and retention of hydrogen isotopes in divertor tiles of JET with the ITER-like wall”, Physica Scripta, T170 (2017).
66. Hanada, N. Yoshida, T. Honda, Z. Wang, A. Kuzmin, I. Takagi, T. Hirata, Y. Oya, M. Miyamoto, H. Zushi, M. Hasegawa, K. Nakamura, A. Fujisawa, H. Idei, Y. Nagashima, O. Watanabe, T. Onchi, K. Kuroda, H. Long, H. Watanabe, K. Tokunaga, A. Higashijima, S. Kawasaki, T. Nagata, Y. Takase, A. Fukuyama and O. Mitarai, “Investigation of hydrogen recycling in long duration discharges and its modification with a hot wall in the spherical tokamak QUEST”, Nuclear Fusion 57(12) (2017) 126061.
67. Jumpei Mochizuki, Seira Horikoshi, Yasuhisa Oya, Takumi Chikada, “Deuterium permeation behavior of tritium permeation barrier coating containing carbide nanoparticles”, Fusion Engineering and Design, 124 (2017) 1073-1076.
68. Seira Horikoshi, Jumpei Mochizuki, Yasuhisa Oya, Takumi Chikada, “Deuterium permeation and retention behaviors in erbium oxide-iron multilayer coatings”, Fusion Engineering and Design, 124 (2017) 1086-1090.
69. Chikada, H. Fujita, M. Matsunaga, S. Horikoshi, J. Mochizuki, C. Hu, F. Koch, M. Tokitani, Y. Hishinuma, K. Yabuuchi, Y. Oya, “Deuterium permeation behavior in iron-irradiated erbium oxide coating”, Fusion Engineering and Design, 124 (2017) 915-918.
70. Hiroe Fujita, Yuki Uemura, Shodai Sakurada, Keisuke Azuma, Qilai Zhou, Takeshi Toyama, Naoaki Yoshida, Yuji Hatano, Takumi Chikada, Yasuhisa Oya, “The damage depth profile effect on hydrogen isotope retention behavior in heavy ion irradiated tungsten”, Fusion Engineering and Design, 125 (2017) 468-472.
71. Keisuke Azuma, Yuki Uemura, Shodai Sakurada, Hiroe Fujita, Yuji Hatano, Naoaki Yoshida, Masashi Shimada, Dean Buchenauer, Takumi Chikada, Yasuhisa Oya, “Effect of sequential Fe²⁺-C⁺ implantation on deuterium retention in W”, Fusion Engineering and Design, 124 (2017) 231-234.
72. Yasuhisa Oya, Cui Hu, Hiroe Fujita, Yuki Uemura, Shodai Sakurada, Keisuke Azuma, Miyuki Yajima, Masayuki Tokitani, Suguru Masuzaki, Naoaki Yoshida, Takumi Chikada, “Influence of mixed material layer formation on hydrogen isotope and He retentions in W exposed to 2014 LHD experiment campaign”, Fusion Engineering and Design, 125 (2017) 458-462.
73. Osakabe, Y. Takeiri, T. Morisaki, G. Motojima, K. Ogawa, M. Isobe, M. Tanaka, S. Murakami, A. Shimizu, K. Nagaoka, H. Takahashi, K. Nagasaki, H. Takahashi, T. Fujita, Y. Oya, M. Sakamoto, Y. Ueda, T. Akiyama, H. Kasahara, S Sakakibara, R. Sakamoto, M. Tokitani, H. Yamada, M. Yokoyama, Y. Yoshimura, LHD Experiment Group, “Current Status of Large Helical Device and Its Prospect for Deuterium Experiment”, Fusion Science and Technology, 72 (2017) 199-210.
74. Yasuhisa Oya, Cui Hu, Hiroe Fujita, Kenta Yuyama, Shodai Sakurada, Yuki Uemura, Suguru Masuzaki, Masayuki Tokitani, Miyuki Yajima, Yuji Hatano and Takumi Chikada, ” Development of H, D, T simultaneous TDS measurement system and H, D, T retention behavior for DT gas exposed tungsten installed in LHD plasma campaign” Fusion Science and Technology, 71 (2017) 351-356.
75. Nobuta, S. Masuzaki, M. Tokitani, N. Ashikawa, D. Nagata, N. Yoshida, Y. Oya, M. Yajima, G. Motojima, H. Kasahara, M. Miyamoto, N. Ohno, Y. Yamauchi, “Effects of modified surfaces produced at plasma-facing surface on hydrogen release behavior in the LHD”, Nuclear Materials and Energy, 12 (2017) 483-487.
76. Shodai Sakurada, Yuki Uemura, Hiroe Fujita, Keisuke Azuma, Takeshi Toyama, Naoaki Yoshida, Tatsuya Hinoki, Sosuke Kondo, Yuji Hatano, Masashi Shimada, Dean Buchenauer, Takumi Chikada, Yasuhisa Oya, “Impact of Annealing on Deuterium Retention Behavior in Damaged W”, Fusion Science and Technology 72 (2017) 785-788.
77. Yasuhisa Oya, Keisuke Azuma, Akihiro Togari, Qilai Zhou, Yuji Hatano, Masashi Shimada, Robert Kolasinski, Dean Buchenauer, “Interaction of hydrogen isotopes with radiation damaged tungsten”, Advances in Intelligent Systems and Computing, 660 (2017) 41-49.
78. Yutai Katoh, Daniel Clark, Yoshio Ueda, Yuji Hatano, Minami Yoda, Adrian S. Sabau, Takehiko Yokomine, Lauren M. Garrison, J. Wilna Geringer, Akira Hasegawa, Tatsuya Hinoki, Masashi Shimada, Dean Buchenauer, Yasuhisa Oya, Takeo Muroga, “Progress in the U.S./Japan PHENIX Project for the Technological Assessment of Plasma Facing Components for DEMO Reactors”, Fusion Science and Technology 72 (2017) 222-232.
79. Masashi Shimada, Yasuhisa Oya, Dean Buchenauer, Yuji Hatano, “Hydrogen Isotope Retention and Permeation in Neutron-Irradiated Tungsten and Tungsten Alloys Under PHENIX Collaboration”, Fusion Science and Technology 72 (2017) 652-659.
80. Taylor, M. Shimada, Y. Yamauchi, Y. Oya, Y. Hatano, “Deuterium retention in helium and neutron irradiated molybdenum” Fusion Science and Technology 71 (2017) 491-495.
81. Yuki Uemura, Shodai Sakurada, Hiroe Fujita, Keisuke Azuma, Quilai Zhou, Yuji Hatano, Naoaki Yoshida, Hideo Watanabe, Makoto Oyaizu, Kanetsugu Isobe, Masashi Shimada, Dean Buchenauer, Robert Kolasinski, Takumi Chikada, Yasuhisa Oya, “Effect of helium irradiation on deuterium permeation behavior in tungsten”, Journal of Nuclear Materials, 490 (2017) 242-246.
82. Qilai Zhou, Lihong Xue, Ya Wang, Heping Li, Takumi Chikada, Yasuhisa Oya, Youwei Yan, ” Preparation of Li₂TiO₃ceramic with nano-sized pores by ultrasonic-assisted solution combustion”, Journal of the European Ceramic Society, 37 (2017) 3595-3602.
83. Zhou, Y. Oya, T. Chikada, W. Zhang, L. Xue, Y. Yan, ” Preparation of Li₂TiO₃ by hydrothermal synthesis and its structure evolution under high energy Ar⁺ irradiation, ” Journal of the European Ceramic Society 37 (2017) 4955-4961.
84. Makoto Kobayashi, Yasuhisa Oya, Kenji Okuno, “Tritium trapping states induced by lithium-depletion in Li₂TiO₃“, Journal of Nuclear Materials, 487 (2017) 84-90.
85. Tokitani, M. Miyamoto, S. Masuzaki, Y. Fujii, R. Sakamoto, Y. Oya, Y. Hatano, T. Otsuka, M. Oyaidzu, H. Kurotaki, T. Suzuki, D. Hamaguchi, K. Isobe, N. Asakura, A. Widdowson, M. Rubel, JET Contributors, “Micro-/nano-characterization of the surface structures on the divertor tiles from JET ITER-like wall”, Fusion Engineering and Design 116 (2017) 1-4.
86. Satoshi Fukada, Yasuhisa Oya, Yuji Hatano, “Review of recent Japanese activities on tritium accountability in fusion reactors”, Fusion Engineering and Design 113 (2016) 231-235.
87. Yasuhisa Oya, Yuji Hatano, Masashi Shimada, Dean Buchenauer, Robert Kolasinski, Brad Merrill, Sosuke Kondo, Tatsuya Hinoki, Vladimir Kh. Alimov, “Recent progress of hydrogen isotope behavior studies for neutron or heavy ion damaged W”, Fusion Engineering and Design, 113 (2016) 211-215.
88. Cui Hu, Yuki Uemura, Kenta Yuyama, Hiroe Fujita, Shodai Sakurada, Keisuke Azuma, Akira Taguchi, Masanori Hara, Yuji Hatano, Takumi Chikada, Yasuhisa Oya, ” Dependence of CuO particle size and diameter of reaction tubing on tritium recovery for tritium safety operation”, Fusion Engineering and Design, 113 (2016) 313-317.
89. Hai-Shan Zhou, Yu-Ping Xu, Ning-Bo Sun, Ying-Chun Zhang, Yasuhisa Oya, Ming-Zhong Zhao, Hong-Min Mao, Fang Ding, Feng Liu, Guang-Nan Luo, EAST contributors, ” Deuterium retention in molten salt electrodeposition tungsten coatings”, Fusion Engineering and Design, 113 (2016) 265-268.
90. Hatano, K. Ami, V.Kh. Alimov, S. Kondo, T. Hinoki, T. Toyama, M. Fukuda, A. Hasegawa, K. Sugiyama, Y. Oya, M. Oyaidzu, T. Hayashi, ” Deuterium retention in W and W-Re alloy irradiated with high energy Fe and W ions: Effects of irradiation temperature”, Nuclear Materials and Energy, 9 (2016) 93-97.
91. Oya, H. Fujita, C. Hu, Y. Uemura, S. Sakurada, K. Yuyama, X. Li, Y. Hatano, N. Yoshida, H. Watanabe, Y. Nobuta, Y. Yamauchi, M. Tokitani, S. Masuzaki and T. Chikada, “Effect of impurity deposition layer formation on D retention in LHD plasma exposed W”, Nuclear Materials and Energy, 9 (2016) 84-88.
92. Takumi Chikada, Teruya Tanaka, Kenta Yuyama, Yuki Uemura, Shodai Sakurada, Hiroe Fujita, Xiao-Chun Li, Kanetsugu Isobe, Takumi Hayashi, Yasuhisa Oya, “Crystallization and deuterium permeation behaviors of yttrium oxide coating prepared by metal organic decomposition”, Nuclear Materials and Energy, 9 (2016) 529-534.
93. Sakurada, K. Yuyama, Y. Uemura, H. Fujita, C. Hu, T. Toyama, N. Yoshida, T. Hinoki, S. Kondo, M. Shimada, D. Buchenauer, T. Chikada, Y. Oya, “Annealing effects on deuterium retention behavior in damaged tungsten”, Nuclear Materials and Energy, 9 (2016) 141-144.
94. Cui Hu, Hiroe Fujita, Miyuki Yajima, Shodai Sakurada, Yuji Uemura, Keisuke Azuma, Masayuki Tokitani, Suguru Masuzaki, Naoaki Yoshida, Takumi Chikada, Yasuhisa Oya, “Influence of carbon-dominated layer on He retention in W exposed in LHD during 2014 plasma experimental campaign”, Fusion Engineering and Design, 112 (2016) 117-122.
95. Robert Kolasinski, Zak Fang, Raymond Friddle, Russell Doerner, Katsuyoshi Michibayashi, Bernice Mills, Dean Buchenauer, Chai Ren, Yasuhisa Oya, ” High-flux plasma exposure of ultra-fine grain tungsten”, International Journal of Refractory Metals and Hard Materials, 60 (2016) 28-36.
96. Dean A. Buchenauer, Richard A. Karnesky, Zhigang Zak Fang, Chai Ren, Yasuhisa Oya, Teppei Otsuka, Yuji Yamauchi, Josh A. Whaley, ” Gas-driven permeation of deuterium through tungsten and tungsten alloys”, Fusion Engineering and Design, 109-111 (2016) 104-108.
97. Hiroe Fujita, Kenta Yuyama, Xiaochun Li, Yuji Hatano, Takeshi Toyama, Masayuki Ohta, Kentaro Ochiai, Naoaki Yoshida, Takumi Chikada and Yasuhisa Oya, “Effect of neutron energy and fluence on deuterium retention behaviour in neutron irradiated tungsten”, Physica Scripta, T167 (2016) 014067.
98. Yasuhisa Oya, Misaki Sato, Xiaochun Li, Kenta Yuyama, Hiroe Fujita, Shodai Sakurada, Yuki Uemura, Yuji Hatano, Naoaki Yoshida, Naoko Ashikawa, Akio Sagara and Takumi Chikada, “Impact of temperature during He⁺implantation on deuterium retention in tungsten, tungsten with carbon deposit and tungsten carbide”, Physica Scripta, T167 (2016) 014037.
99. Yasuhisa Oya, Xiaochun Li, Misaki Sato, Kenta Yuyama, Makoto Oyaidzu, Takumi Hayashi, Toshihiko Yamanishi and Kenji Okuno, “Deuterium permeation behavior for damaged tungsten by ion implantation”, Journal of Nuclear Science and Technology, 53 (2016) 402-405.
100. Shimada, M. Hara, T. Otsuka, Y. Oya, Y. Hatano, “Defect annealing and thermal desorption of deuterium in low dose HFIR neutron-irradiated tungsten”, Journal of Nuclear Materials, 463 (2015) 1005-1008.
101. Misaki Sato, Kenta Yuyama, Xiao-Chun Li, Naoko Ashikawa, Akio Sagara, Naoaki Yoshida, Takumi Chikada, Yasuhisa Oya, “Effect of Heating Temperature on Deuterium Retention Behavior for Helium/Carbon Implanted Tungsten”, Fusion Science and Technology, 68 (2015) 531-534.
102. Yasuhisa Oya, Misaki Sato, Kenta Yuyama, Masanori Hara, Yuji Hatano, Masao Matsuyama, Takumi Chikada, “Dynamics for HT and HTO recovery through eater bubbler and CuO catalyst”, Fusion Science and Technology, 68 (2015) 358-361.
103. D. Kolasinski, M. Shimada, Y. Oya, D. A. Buchenauer, T. Chikada, D. F. Cowgill, D. C. Donovan, R. W. Friddle, K. Michibayashi and M. Sato, “A multi-technique analysis of deuterium trapping and near-surface precipitate growth in plasma-exposed tungsten”, Journal of Applied Physics 118 (2015) 073301.
104. Yasuhisa Oya, Misaki Sato, Hiromichi Uchimura, Naoko Ashikawa, Akio Sagara, Naoaki Yoshida, Yuji Hatano, Kenji Okuno, “In-Situ Observation of Sputtered Particles for Carbon Implanted Tungsten During Energetic Hydrogen Isotope Ion Implantation”, Fusion Science and Technology, 67 (2015) 515-518.
105. Misaki Sato, Hiromichi Uchimura, Kensuke Toda, Tomonori Tokunaga, Hideo Watanabe, Naoaki Yoshida, Yuji Hatano, Ryuta Kasada, Takuya Nagasaka, Akihiko Kimura, Yasuhisa Oya, Kenji Okuno, “Preheating Temperature Effect on Tritium Retention in VPS-W”, Fusion Science and Technology, 67 (2015) 551-554.
106. Yasuhisa Oya, Xiaochun Li, Misaki Sato, Kenta Yuyama, Long Zhang, Sosuke Kondo, Tatsuya Hinoki, Yuji Hatano, Hideo Watanabe, Naoaki Yoshida, Takumi Chikada, “Thermal desorption behavior of deuterium for 6 MeV Fe ion irradiated W with various damage concentrations”, Journal of Nuclear Materials, 461 (2015) 336-340.
107. Masashi Shimada, G. Cao, T. Otsuka, M. Hara, M. Kobayashi, Oya, Y. Hatano, “Irradiation effect on deuterium behavior in low-dose HFIR neutron-irradiated tungsten”, Nuclear Fusion 55 (2015) 013008.
108. Makoto Kobayashi, Yasuhisa Oya, Kenzo Munakata, Kenji Okuno, “Developing a tritium release model for Li₂TiO₃ with irradiation-induced defects”, Journal of Nuclear Materials, 458 (2015) 22-28.
109. Dadong Shao, Jiaxing Li, Xiaoli Tan, Zhongshi Yang, Kenji Okuno, Yasuhisa Oya, “XPS investigation of impurities containing boron films affected by energetic deuterium implantation and thermal desorption”, Journal of Nuclear Materials, 457 (2015) 118-123.
110. Yasuhisa Oya, Hiromichi Uchimura, Kensuke Toda, Takashi Ikka, Akio Morita, Kenji Okuno, Dissolution behavior of ¹³⁷Cs absorbed on the green tea leaves, Journal of Radioanalytical and Nuclear Chemistry, 303 (2015) 1539-1542.
111. Makoto Kobayashi, Hiromichi Uchimura, Kensuke Toda, Yasuhisa Oya, “Effects of helium and ambient water vapor on tritium release from Li₂TiO₃”, Journal of Nuclear Materials, 455 (2014) 735-738.
112. 大矢恭久、増崎貴、時谷政行、渡辺英雄、吉田直亮、波多野雄治、宮本光貴、山内有二、日野友明、奥野健二、“LHDプラズマに曝されたタングステンにおける水素滞留能変化”、プラズマ・核融合学会誌 90 (2014)319-324.
113. Takumi Hayashi, Kanetsugu Isobe, Hirofumi Nakamura, Kazuhiro Kobayashi, Yasuhisa Oya, Kenji Okuno, Makoto Oyaizu, Yuki Edao, Yoshihiko Yamanishi, “Hydrogen isotope behavior on a water–metal boundary with simultaneous transfer from and to the metal surface”, Fusion Engineering and Design, 89 (2014) 1520-1523.
114. Oya, S. Masuzaki, M. Tokitani, M. Sato, K. Toda, H. Uchimura, N. Yoshida, H. Watanabe, Y. Yamauchi, T. Hino, M. Miyamoto, Y. Hatano, and K. Okuno, “Comparison of hydrogen isotope retention for tungsten probes in LHD vacuum vessel during the experimental campaigns in 2011 and 2012”, Fusion Engineering and Design, 89 (2014) 1091-1095.
115. Makoto Kobayashi, Kensuke Toda, Yasuhisa Oya, Kenji Okuno, “Dependency of irradiation damage density on tritium migration behaviors in Li₂TiO₃”, Journal of Nuclear Materials, 447 (2014) 1-8.
116. Kaneko, H. Yamada, S. Inagaki, M. Jakubowski, S. Kajita, S. Kitajima, Kobayashi, K. Koga, T. Morisaki, S. Morita, T. Mutoh, S. Sakakibara, Y. Suzuki, H. Takahashi, K. Tanaka, K. Toi, Y. Yoshimura, T. Akiyama, Y. Asahi, N. Ashikawa, H. Chikaraishi, A. Cooper, D.S. Darrow, E. Drapiko, P. Drewelow, X. Du, A. Ejiri, M. Emoto, T. Evans, N. Ezumi, K. Fujii, T. Fukuda, H. Funaba, M. Furukawa, D.A. Gates, M. Goto, T. Goto, W. Guttenfelder, S. Hamaguchi, M. Hasuo, T. Hino, Y. Hirooka, K. Ichiguchi, K. Ida, H. Idei, T. Ido, H. Igami, K. Ikeda, S. Imagawa, T. Imai, M. Isobe, M. Itagaki, T. Ito, K. Itoh, S. Itoh, A. Iwamoto, K. Kamiya, T. Kariya, H. Kasahara, N. Kasuya, D. Kato, T. Kato, K. Kawahata, F. Koike, S. Kubo, R. Kumazawa, D. Kuwahara, S. Lazerson, H. Lee, S. Masuzaki, S. Matsuoka, H. Matsuura, A. Matsuyama, C. Michael, D. Mikkelsen, O. Mitarai, T. Mito, J. Miyazawa, G. Motojima, K. Mukai, A. Murakami, I. Murakami, S. Murakami, T. Muroga, S. Muto, K. Nagaoka, K. Nagasaki, Y. Nagayama, N. Nakajima, H. Nakamura, Y. Nakamura, H. Nakanishi, H. Nakano, T. Nakano, K. Narihara, Y. Narushima, K. Nishimura, S. Nishimura, M. Nishiura, Y.M. Nunami, T. Obana, K. Ogawa, S. Ohdachi, N. Ohno, N. Ohyabu, T. Oishi, M. Okamoto, A. Okamoto, M. Osakabe, Y. Oya, T. Ozaki, N. Pablant, B.J. Peterson, A. Sagara, K. Saito, R. Sakamoto, H. Sakaue, M. Sasao, K. Sato, M. Sato, K. Sawada, R. Seki, T. Seki, V. Sergeev, S. Sharapov, I. Sharov, A. Shimizu, T. Shimozuma, M. Shiratani, M. Shoji, S. Sudo, H. Sugama, C. Suzuki, K. Takahata, Y. Takeiri, Y. Takemura, M. Takeuchi, H. Tamura, N. Tamura, H. Tanaka, T. Tanaka, M. Tingfeng, Y. Todo, M. Tokitani, K. Tokunaga, T. Tokuzawa, H. Tsuchiya, K. Tsumori, Y. Ueda, L. Vyacheslavov, K.Y. Watanabe, T. Watanabe, T.H. Watanabe, B. Wieland, I. Yamada, S. Yamada, S. Yamamoto, N. Yanagi, R. Yasuhara, M. Yokoyama, N. Yoshida, S. Yoshimura, T. Yoshinaga, M. Yoshinuma and A. Komori, “Extension of operation regimes and investigation of three-dimensional currentless plasmas in the Large Helical Device”, Nucl. Fusion 53 (2013) 104015.
117. Hatano, M. Shimada, T. Otsuka, Y. Oya, V. Kh. Alimov, M. Hara, J. Shi, M. Kobayashi, T. Oda, G. Cao, K. Okuno, T. Tanaka, K. Sugiyama, J. Roth, B. Tyburska-Puschel, J. Dorner, N. Yoshida, N. Futagami, H. Watanabe, M. Hatakeyama, H. Kurishita, M. Sokolov and Y. Katoh, “Deuterium trapping at defects created with neutron and ion irradiations in tungsten”, Nucl. Fusion 53 (2013) 073006.
118. Makoto Kobayashi, Yasuhisa Oya and Kenji Okuno, “Migration of hydrogen isotopes in lithium metatitanate”, Journal of Nuclear Materials, 439 (2013) 159-167.
119. Sagara, R. Nygren, M. Miyamoto, D. Nishijima, R. Doerner, S. Fukada, Y. Oya, T. Oda, Y. Watanabe, K. Morishita, F. Gao and T. Norimatsu, “Integrated Material System Modeling of Fusion Blanket”, Materials Transactions, 54 (2013) 477-483.
120. Yasuhisa Oya, Makoto Kobayashi, Tetsuo Fujishima, Kiyotaka Kawasaki, Yuto Miyahara, Naoaki Yoshida, Yuji Hatano, Naoko Ashikawa, Akio Sagara and Kenji Okuno, “Behaviors of deuterium retention and microstructure change of tungsten simultaneously implanted with carbon and/or helium ions”, Materials Transactions, 54 (2013) 430-436.
121. Yuji Hatano, Masashi Shimada, Yasuhisa Oya, Guoping Cao, Makoto Kobayashi, Masanori Hara, Brad J. Merrill, Kenji Okuno, Mikhail A. Sokolov, Yutai Katoh, “Retention of hydrogen isotopes in neutron irradiated tungsten”, Materials Transactions, 54 (2013) 437-441.
122. Chengjian Xiao, Xiaoling Gao, Makoto Kobayashi, Kiyotaka Kawasaki, Hiromichi Uchimura, Kensuke Toda, Chunmei Kang, Xiaojun Chen, Heyi Wang, Shuming Peng, Xiaolin Wang, Yasuhisa Oya, Kenji Okuno, “Tritium release kinetics in lithium orthosilicate ceramic pebbles irradiated with low thermal-neutron fluence”, Journal of Nuclear Materials, 438 (2013) 46-50.
123. Wanjing Wang, Qiang Li, Makoto Kobayashi, Yasuhisa Oya, Kenji Okuno, Guang-Nan Luo, “Retention behavior of deuterium and oxygen in boronized VPS-W”, Journal of Nuclear Materials, 438 (2013) S1138-S1141.
124. Yasuhisa Oya, Yuji Hatano, Masanori Hara, Masao Matsuyama and Kenji Okuno, “Retention and desorption behavior of tritium in Si related ceramics”, Journal of Nuclear Materials, 438 (2013) 22-25.
125. Makoto Yanaga and Yasuhisa Oya, “Detection of radioactive materials from the Fukushima Daiichi nuclear Power Plant accident at Shizuoka-city”, Radiation Safety Management, 12 (2013) 16–21.
126. 小林真、大矢恭久、奥野健二、”核融合炉材料中のトリチウム移行過程の解明に向けたトリチウム測定技術”、分析化学　62 (2013) 99-105.
127. Kenji Okuno, Makoto Kobayashi, Toshihiko Yamanishi, and Yasuhisa Oya, “Formation of lithium-tritide by hot atom reactions of tritium produced in Pb-16Li”, Fusion Engineering and Design, 88 (2013) 2328-2331.
128. Makoto Kobayashi, Masashi Shimada, Yuji Hatano, Takuji Oda, Brad Merrill, Yasuhisa Oya and Kenji Okuno, “Deuterium trapping by irradiation damage in tungsten induced by different displacement processes”, Fusion Engineering and Design, 88 (2013) 1749-1752.
129. Kensuke Toda, Makoto Kobayashi, Tetsuo Fujishima, Hiromichi Uchimura, Ryo Miura, Toshiyuki Fujii, Hajimu Yamana, Yasuhisa Oya, and Kenji Okuno, “Correlation between release of deuterium and annihilation of irradiation defects produced by gamma-ray in Li₂TiO₃”, Fusion Engineering and Design, 88 (2013) 2369-2372.
130. Ryo Miura, Tetsuo Fujishima, Hiromichi Uchimura, Kensuke Toda, Makoto Kobayashi, Naoko Ashikawa, Akio Sagara, Naoaki Yoshida, Yuji Hatano, Yasuhisa Oya and Kenji Okuno, “Influence of tungsten-carbon mixed layer and irradiation defects on deuterium retention behavior in tungsten”, Fusion Engineering and Design, 88 (2013) 1827-1830.
131. Yasuhisa Oya, Suguru Masuzaki, Masayuki Tokitani, Naoaki Yoshida, Hideo Watanabe, Yuji Yamauchi, Tomoaki Hino, Mitsutaka Miyamoto, Yuji Hatano and Kenji Okuno, “Enhancement of Hydrogen Isotope Retention Capacity for the Impurity Deposited Tungsten by Long-term Plasma Exposure in LHD”, Fusion Engineering and Design, 88 (2013) 1699-1703.
132. Oya, M. Shimada, T. Tokunaga, H. Watanabe, N. Yoshida, Y. Hatano, R. Kasada, T. Nagasaka, A. Kimura and K. Okuno, “Behavior of deuterium retention and surface morphology for VPS-W/F82H”, Journal of Nuclear Materials, 442 (2013) S242-S245.
133. Tomohisa Taguchi, Makoto Kobayashi, Kiyotaka Kawasaki, Yuto Miyahara, Naoko Ashikawa, Akio Sagara, Naoaki Yoshida, Mitsutaka Miyamoto, Kotaro Ono, Yuji Hatano, Yasuhisa Oya and Kenji Okuno, “Dynamic deuterium recycling on tungsten under carbon-deuterium implantation circumstance”, Journal of Nuclear Materials, 438 (2013) S1117-S1120.
134. Yasuhisa Oya, Suguru Masuzaki, Tetsuo Fujishima, Masayuki Tokitani, Naoaki Yoshida, Hideo Watanabe, Yuji Yamauchi, Tomoaki Hino, Mitsutaka Miyamoto, Yuji Hatano and Kenji Okuno, “Enhancement of hydrogen isotope retention in tungsten exposed to LHD plasmas”, Journal of Nuclear Materials, 438 (2013) S1055-S1058.
135. Hatano, M. Shimada, V. Kh. Alimov, J. Shi, M. Hara, T. Nozaki, Y. Oya, M. Kobayashi, K. Okuno, T. Oda, G. Cao, N. Yoshida, N. Futagami, K. Sugiyama, J. Roth, B. Tyburska-Puschel, J. Dorner, I. Takagi, M. Hatakeyama, H. Kurishita, M.A. Sokolov, “Trapping of hydrogen isotopes in radiation defects formed in tungsten by neutron and ion irradiations”, Journal of Nuclear Materials, 438 (2013) S114-S119.
136. Masao Matsuyama, Shinsuke Abe, Yasushi Ono, Kiyohiko Nishimura, Naoko Ashikawa, Yasuhisa Oya, Kenji Okuno, Tomoaki Hino and Akio Sagara, “Tritium retention on stainless steel surface exposed to Plasmas in LHD (II)”, Plasma and Fusion Research, 8 (2013) 2405014.
137. Ryo Miura, Tetsuo Fujishima, Yuto Miyahara, Tomohisa Taguchi, Masahiro Tanaka, Akio Sagara, Yasuhisa Oyaand Kenji Okuno, “Study on plasma – tungsten surface interactions using the new experimental device EXPRESS”, Journal of Plasma and Fusion Research, 10 (2013) 85-88.
138. Makoto Kobayashi, Kiyotaka Kawasaki, Hiromichi Uchimura, Kensuke Toda, Yasuhisa Oya and Kenji Okuno, “Tritium release kinetics in lithium-enriched Li_2+xTiO₃ with thermal neutron irradiation”, Journal of Plasma and Fusion Research, 10 (2013) 7-11.
139. Yasuhisa Oya, Makoto Kobayashi, Naoaki Yoshida, Naoko Ashikawa, Akio Sagara, Yuji Hatano, Kenji Okuno, “Implantation energy dependence on deuterium retention behaviors for the carbon implanted tungsten”, Journal of Plasma and Fusion Research, 10 (2013) 76-80.
140. Masao MATSUYAMA, Shinsuke ABE, Kiyohiko NISHIMURA, Yasushi ONO, Yasuhisa OYA, Kenji OKUNO, Tomoaki HINO and Akio SAGARA, “Trapping of Tritium by Stainless Steel Exposed to Plasmas in Experimental Campaigns of LHD”, Journal of Plasma and Fusion Research, 10 (2013) 64-70.
141. Katsushi MATSUOKA, Makoto KOBAYASHI, Kiyotaka KAWASAKI, Tetsuo FUJISHIMA, Yuto MIYAHARA, Naoko ASHIKAWA, Kiyohiko NISHIMURA, Akio SAGARA, Yasuhisa OYA and Kenji OKUNO, “Hydrogen Retention Behavior in Boron Films Affected by Impurities Introduced by Hydrogen Plasma Exposure in the LHD”, Plasma and Fusion Research, 7 (2012) 2401157.
142. Masao Matsuyama, Jyunpei Saikawa, Shinsuke Abe, Kiyohiko Nishimura,Naoko Ashikawa, Yasuhisa Oya, Kenji Okuno, Tomoaki Hino and Akio Sagara, “Tritium Retention on Stainless Steel Surface Exposed to Plasmas in LHD”, Plasma and Fusion Research, 7 (2012) 2405091.
143. Makoto Kobayashi, Akiko Hamada, Katsushi Matsuoka, Masato Suzuki, Junya Osuo,Yuki Edao, Satoshi Fukada, Toshihiko Yamanishi, Yasuhisa Oya and Kenji Okuno, “Kinetics of tritium release from thermal neutron-irradiated Li₁₇Pb_0.83”, Fusion Science and Technology, 62 (2012) 56-60.
144. Yasuhisa Oya, Makoto Kobayashi, Junya Osuo, Masato Suzuki, Akiko Hamada, Katsushi Matsuoka, Yuji Hatano, Masao Matsuyama, Takumi Hayashi, Toshihiko Yamanishi and Kenji Okuno, “Effect of surface oxide layer on deuterium permeation behaviors through a type 316 stainless steel”, Fusion Engineering and Design, 87 (2012) 580-583.
145. Takumi Hayashi, Hirofumi Nakamura, Kanetsugu Isobe, Kazuhiro Kobayashi, Makoto Oyaizu,　Toshihiko Yamanishi, Yasuhisa Oya, Kenji Okuno, “Hydrogen isotope permeation from cooling water through various metal piping”, Fusion Engineering and Design, 87 (2012) 1333-1337.
146. Makoto Kobayashi, Kiyotaka Kawasaki, Tetsuo Fujishima, Yuto Miyahara, Yasuhisa Oya and Kenji Okuno, “Release kinetics of tritium generated in lithium-enriched Li_2+xTiO₃ by thermal neutron irradiation”, Fusion Engineering and Design, 87 (2012) 471-475.
147. Akiko Hamada, Makoto Kobayashi, Katsushi Matsuoka, Masato Suzuki, Junya Osuo, Naoko Ashikawa, Akio Sagara, Yasuhisa Oya and Kenji Okuno, “Study on the retention behavior of hydrogen isotopes and the change of chemical states of boron film exposed hydrogen plasma in LHD”, Fusion Engineering and Design, 87 (2012) 1214-1217.
148. Masashi Shimada, Y. Hatano, Oya, T. Oda, M. Hara, G. Cao, M. Kobayashi, M. Sokolov, H. Watanabe, B. Tyburska, Y. Ueda and P. Calderoni, “Overview of the US-Japan collaborative investigation on hydrogen isotope retention in neutron-irradiated and ion-damaged tungsten”, Fusion Engineering and Design, 87 (2012) 1166-1170.
149. Yuji Hatano, Jie Shi, Naoaki Yoshida, Naoki Futagami, Yasuhisa Oya, Hirofumi Nakamura, “Measurement of deuterium and helium by glow-discharge optical emission spectroscopy for plasma–surface interaction studies”, Fusion Engineering and Design, 87 (2012) 1091-1094.
150. 萱野貴広、熊野善介、大矢恭久、奥野健二、池谷渉、“デジタルツールとしてiPodを活用したエネルギー環境学習”エネルギー環境教育研究 6 (2012) 3-10.
151. Yasuhisa Oya, Masashi Shimada, Makoto Kobayashi, Takuji Oda, Masanori Hara, Hideo Watanabe, Yuji Hatano, Pattrick Calderoni and Kenji Okuno, “Comparison of deuterium retention for ion-irradiated and neutron-irradiated tungsten”, Physica Scripta, T145 (2011) 014050.
152. Ueda, H.T. Lee, N. Ohno, S. Kajita, A. Kimura, R. Kasada, T. Nagasaka, Y. Hatano, A. Hasegawa, H. Kurishita and Y. Oya, “Recent progress of tungsten R&D for fusion application in Japan”, Physica Scripta, T145 (2011) 014029.
153. Masashi Shimada, G Cao, Y Hatano, Takuji Oda, Y Oya, M Hara and P Calderoni, “The deuterium depth profile in neutron-irradiated tungsten exposed to plasma”, Physica Scripta, T145 (2011) 014051.
154. Akiko Hamada, Makoto Kobayashi, Rie Kurata, Masato Suzuki, Hajimu Yamana, Toshiyuki Fujii, Yasuhisa Oyaand Kenji Okuno, “Retention and desorption behaviors of hydrogen isotopes in gamma-ray irradiated Li₂TiO₃”, Fusion Science and Technology, 60(1) (2011) 399-402.
155. Katsushi Matsuoka, Makoto Kobayashi, Rie Kurata, Junya Osuo, Naoko Ashikawa, Akio Sagara, Yasuhisa Oyaand Kenji Okuno, “Impurity effects on hydrogen isotope retention in carbon-oxygen containing boron films”, Fusion Science and Technology, 60(1) (2011) 412-416.
156. Makoto Kobayashi, Wanjing Wang, Rie Kurata, Masao Matsuyama, Takumi Hayashi, Toshihiko Yamanishi, Yamato Asakura, Yasuhisa Oya and Kenji Okuno, “Dynamic behaviors of deuterium retained in SS-316 oxidized at various temperatures”, Fusion Science and Technology, 60(1) (2011) 403-406.
157. Takumi Hayashi, Hirofumi Nakamura, Kanetsugu Isobe, Kazuhiro Kobayashi, Makoto Oyaizu, Yasuhisa Oya, Kenji Okuno, Toshihiko Yamanishi, “Hydrogen Isotope Behavior Transferring Through Water Metal Boundary” Fusion Science and Technology, 60(1) (2011) 369-372.
158. Yasuhisa Oya, Makoto Kobayashi, Rie Kurata, Naoaki Yoshida, Naoko Ashikawa, Akio Sagara, Masanori Hara, Yuji Hatano and Kenji Okuno, “Comparison of hydrogen isotope retention and irradiation damage behaviors in tungsten and SS-316 with simultaneous C⁺-D₂⁺ implantation”, Fusion Engineering and Design, 86 (2011) 1776-1779.
159. Kenji Okuno, Yasuhisa Oya, Rie Kurata and Makoto Kobayashi, “Role of energetic tritium chemistry on developing thermonuclear fusion reactors”, Fusion Engineering and Design, 86 (2011) 2358-2361.
160. Junya Osuo, Makoto Kobayashi, Rie Kurata, Akiko Hamada, Wanjing Wang, Toshiyuki Fujii, Hajimu Yamana, Tianyong Luo, Kaiming Feng, Yasuhisa Oya and Kenji Okuno, “Dependence of gamma-ray Dose on Annihilation Processes of Irradiation Defects in Li₂TiO₃”, Fusion Engineering and Design, 86 (2011) 2362-2364.
161. Qiang Li, Wanjing Wang, Zhongshi Yang, Makoto Kobayashi, Masato Suzuki, Junya Osuo, Akiko Hamada, Katsushi Matsuoka, Rie Kurata, Jing Wu, Chunyi Xie, Liping Zhao, Kenji Okuno, Yasuhisa Oya, Guang-Nan Luo, “Deuterium retention in SiC coated graphite by D₂⁺ implantation”, Fusion Engineering and Design, 86 (2011) 1689-1692.
162. Yasuhisa Oya, Takuji Oda, Satoru Tanaka and Kenji Okuno, “Development of tritium recovery by flowing O₂+Ar gases at steam generator in fast breeder reactor”, Fusion Science and Technology, 60 (2011) 1423-1426.
163. Takuji Oda, M. Shimada, K. Zhang, P. Calderoni, Oya, M. Sokolov, R. Kolasinski, J. P. Sharpe, and Y. Hatano, “Development of Monte Carlo Simulation Code to Model Behavior of Hydrogen Isotopes Loaded into Tungsten Containing Vacancies”, Fusion Science and Technology, 60 (2011) 1455-1458.
164. Yasuhisa Oya, Makoto Kobayashi, Rie Kurata, Wangjing Wang, Naoko Ashikawa, Akio Sagara, Naoaki Yoshida, Yuji Hatano and Kenji Okuno, “Dynamics of hydrogen isotope trapping and detrapping for tungsten under simultaneous triple ion (C⁺, D₂⁺ and He⁺) implantation”, Journal of Nuclear Materials, 415 (2011) S701-S704.
165. Masato Suzuki, Rie Kurata, Makoto Kobayashi, Naoko Ashikawa, Akio Sagara, Yasuhisa Oya and Kenji Okuno, “Retention behaviors of hydrogen isotope in boron film exposed to H-H discharge in LHD”, Journal of Nuclear Materials, 415 (2011) S728-S730.
166. Masashi Shimada, Y. Hatano, P. Calderoni, T. Oda, Oya, M. Sokolov, K. Zhang, G. Cao, R. Kolasinski, J.P. Sharpe, “First result of deuterium retention in neutron-irradiated tungsten exposed to high flux plasma in TPE”, Journal of Nuclear Materials, 415 (2011) S667-S671.
167. Calderoni, J. Sharpe, M. Shimada, B. Denny, B. Pawelko, S. Schuetz, G. Longhurst, Y. Hatano, M. Hara, Y. Oya, T. Otsuka, K. Katayama, S. Konishi, K. Noborio, Y. Yamamoto, “An overview of research activities on materials for nuclear applications at the INL Safety, Tritium and Applied Research facility”, Journal of Nuclear Materials, 417 (2011) 1336-1340.
168. Yaran Niu, Sachiko Suzuki, Xuebin Zheng, Chuanxian Ding, Junling Chen, Yasuhisa Oya, Kenji Okuno, “Chemical States and Deuterium retention behavior of vacuum plasma sprayed tungsten coatings”, Journal of Nuclear Materials, 417 (2011) 551-554.
169. Wanjing Wang, Makoto Kobayashi, Rie Kurata, Naoko Ashikawa, Akio Sagara, Naoaki Yoshida, Guang-Nan Luo, Yasuhisa Oya and Kenji Okuno, “Temperature dependence of retention of energetic deuterium and carbon simultaneously implanted into tungsten”, Journal of Nuclear Materials, 417 (2011) 555-558.
170. Zhongshi Yang, Wanjing Wang, Kenji Okuno, Yasuhisa Oya, Guang-Nan Luo, “Surface analysis of VPS-W coatings boronized by an ICRF discharge in HT-7”, Journal of Nuclear Materials, 417 (2011) 520-523.
171. Matsuyama, Z. Chen, K. Nisimura, S. Akamaru, Y. Torikai, Y. Hatano, N. Ashikawa, Y. Oya, K. Okuno, T. Hino, “Trapping and Depth Profile of Tritium in Surface Layers of Metallic Materials”, Journal of Nuclear Materials, 417 (2011) 900-903.
172. Yasuhisa Oya, Sachiko Suzuki, Masao Matsuyama, Takumi Hayashi, Toshihiko Yamanishi, Yamato Asakura and Kenji Okuno, “Fluence dependence of deuterium retention in oxidized SS-316”, Journal of Nuclear Materials, 417 (2011)1154-1157.
173. Makoto Kobayashi, Sachiko Suzuki, Rie Kurata, Wanjing Wang, Toshiyuki Fujii, Hajimu Yamana, Kaiming Feng, Yasuhisa Oya, Kenji Okuno, “Study on annihilation behavior of γ-ray induced defects in Li₂O”, Journal of Nuclear Materials, 417 (2011) 700-702.
174. Tanabe, K. Masaki, Y. Gotoh, K. Sugiyama, Y. Hirohata, T. Shibahara, Y. Oya, T. Hayashi, T. Arai, N. Miya, “Review of erosion/deposition and retention of hydrogen isotopes (H, D, T) at divertor area of JT-60U”, Atomic and Plasma-Material Interaction Data for Fusion, Volume 15 (2011) 101-123.
175. Masanori Hara, Yuka Togashi, Masao Matsuyama, Yasuhisa Oya, Kenji Okuno, “Crystal structure change of Li_2+xTiO_3+y tritium breeder under moist air”, Journal of Nuclear Materials, 404 (2010) 217-221.
176. Sachiko Suzuki, Makoto Kobayashi, Rie Kurata, Wanjing Wang, Toshiyuki Fujii, Hajimu Yamana, Kaiming Feng, Yasuhisa Oya and Kenji Okuno, “Elucidation of Annihilation Processes of Defects Induced by g-irradiation in Li₂TiO₃”, Fusion Engineering and Design, 85 (2010) 2331-2333.
177. Kenji Okuno, Sachiko Suzuki, Makoto Kobayashi, Rie Kurata, Matsuyama Masao, Naoko Ashikawa, Akio Sagara and Yasuhisa Oya, “Retention Behavior of Hydrogen Isotopes in Boron Film Deposited on SS-316 for LHD first wall”, Fusion Engineering and Design, 85 (2010) 2328–2330.
178. Rie Kurata, Makoto Kobayashi, Sachiko Suzuki, Wanjing Wang, Naoko Ashikawa, Akio Sagara, Naoaki Yoshida, Yasuhisa Oya, and Kenji Okuno, “Correlation between desorption of deuterium and recovery of irradiation defects in simultaneously deuterium and carbon ion-implanted tungsten”, J. Plasma Fusion Res. SERIES, 9 (2010) 193-196.
179. Yasuhisa Oya, Sachiko Suzuki, Masanori Hara, Masao Matsuyama and Kenji Okuno, “Effect of Energetic Helium ion Implantation on Hydrogen Isotope Retention in Silicon Carbide”, J. Plasma Fusion Res. SERIES, 9 (2010) 322-325.
180. Yasuhisa Oya, Sachiko Suzuki, Wanjing Wang, Rie Kurata, Makoto Kobayashi, Naoko Ashikawa, Akio Sagara, Naoaki Yoshida and Kenji Okuno, “Correlation between deuterium retention and microstructure change for tungsten under triple ion implantation”, Physica Scripta, T138 (2009) 014051.
181. Makoto Kobayashi, Sachiko Suzuki, Wanjing Wang, Rie Kurata, Katsuya Kida, Naoko Ashikawa, Akio Sagara, Naoaki Yoshida, Yasuhisa Oya and Kenji Okuno, “Trapping behaviour of deuterium ions implanted into tungsten simultaneously with carbon ions”, Physica Scripta, T138 (2009) 014050.
182. Kenji Okuno, Hirotada Ishikawa, Yasuhisa Oya, Takumi Hayashi and Toshihiko Yamanishi, “Temperature dependence of oxide layer formation on hydrogen isotope retention in type 316 stainless steel”, Fusion Science and Technology, 56 (2009) 799-803.
183. Yuji Inagaki, Haibo Liu, Hirotada Ishikawa, Sachiko Suzuki, Akira Yoshikawa, Kaiming Feng, Yasuhisa Oya and Kenji Okuno, “Role of lithium on chemical states and retention behavior of tritium in Li₂TiO₃” Fusion Science and Technology, 56 (2009) 821-825.
184. Yamato Asakura, Masahiro Tanaka, Tatsuhiko Uda, Hideki Ogawa, Shigeyuki Takami, Yasuhisa Oya, Kenji Okuno and Satoshi Fukada, “Design of gaseous tritium recovery system applying commercially available membrane-type dehumidifier”, Journal of Nuclear Science and Technology, 46 (2009) 614-647.
185. Yasuhisa Oya, Yuji Inagaki, Sachiko Suzuki, Hirotada Ishikawa, Yohei Kikuchi, Akira Yoshikawa, Tomohiro Iwakiri, Naoko Ashikawa, Akio Sagara, Naoaki Yoshida and Kenji Okuno, “Behavior of hydrogen isotope retention in carbon implanted tungsten” Journal of Nuclear Materials, 390-391 (2009) 622-625.
186. Sachiko Suzuki, Yu Yang, Akira Yoshikawa, Yohei Kikuchi, Yasuhisa Oya and Kenji Okuno, “Influence of carbon concentration on chemical behavior of energetic deuterium implanted into carbon-contained boron films” Journal of Nuclear Materials, 390-391 (2009) 200-202.
187. Akira Yoshikawa, Hideo Miyauchi, Toshihiko Nakahata, Taichi Suda, Naoko Ashikawa, Akio Sagara, Nobuaki Noda, Yasuhisa Oya and Kenji Okuno, “Chemical behavior of hydrogen isotopes into boronized film in LHD”, Journal of Nuclear Materials,386-388 (2009) 367-370.
188. Yohei Kikuchi, Yu Yang, Akira Yoshikawa, Taichi Suda, Hideo Miyauchi, Toshihiko Nakahata, Akio Sagara, Nobuaki Noda, Yasuhisa Oya and Kenji Okuno, “Study on retention behavior and chemical states of energetic deuterium implanted into carbon-contained boron film”, Journal of Nuclear Materials, 386-388 (2009) 371-374.
189. Tianyong Luo, Takuji Oda, Yasuhisa Oya, Satoru Tanaka, “IR observation on O–D vibration in LiNbO₃ and LiTaO₃ single crystal irradiated by 3 keV D₂⁺”, Journal of Nuclear Materials, 382 (2008) 46-50.
190. Nogami, N. Otake, A. Hasegawa, Y. Katoh, A. yoshikawa, M. Satou, Y. Oya and K. Okuno, “Oxidation behavior of SiC/SiC composites for helium cooled solid breeder blanket”, Fusion Engineering and Design 83 (2008) 1490-1494.
191. Calderoni, P. Sharpe, M. Hara and Y. Oya, “Measurement of tritium permeation in flibe (2LiF-BeF₂)”, Fusion Engineering and Design 83 (2008) 1331-1334.
192. Asakura, M. Tanaka, T. Uda , H. Ogawa, S. Takami, Y. Oya and K. Okuno, “Application of membrane dehumidifier for gaseous tritium recovery in LHD”, Fusion Science and Technology 54 (2008) 75-78.
193. Yasuhisa Oya, Takuji Oda, Satoru Tanaka and Kenji Okuno, “Recovery of tritium dissolved in sodium at the steam generator of fast breeder reactor”, Fusion Science and Technology, 54 (2008) 337-340.
194. Takuji Oda, Yasuhisa Oya, Kenji Okuno and Satoru Tanaka, Monte Carlo simulation on tritium permeation through steels”, Fusion Science and Technology 54 (2008) 537-540.
195. Ishikawa, T. Suda, Y. Nishikawa, M. Oyaidzu, T. Shinozaki, T. Fujii, K. Takakura, K. Ochiai, K. Munakata, H. Yamana, Y. Oya and K. Okuno, “Study on interaction between tritium behavior and thermal annihilation behavior of 14 MeV neutron-irradiated Li₄SiO₄”, Fusion Science and Technology 54 (2008) 127-130.
196. Masayo Kubota, Hiroyuki Haga, Yasuhisa Oya, Kenji Okuno, “Inhibition of Lipid peroxidation induced by tritiated water due to Tea Catechins”, Journal of Radioanalytical and nuclear chemistry, 275 (2008) 483-486.
197. Makoto Oyaidzu, Yusuke Nishikawa, Taichi Suda, Takashi Shinozaki, Akira Yoshikawa, Yasuhisa Oya, Kenzo Munakata, Hajimu Yamana and Kenji Okuno, “Detrapping behavior of tritium trapped via hot atom chemical process in neutron-irradiated ternary lithium oxides”, Journal of Nuclear Materials, 375 (2008) 1-7.
198. Tianyong Luo, Takuji Oda, Yasuhisa Oya and Satoru Tanaka, “Existence states of deuterium irradiated into LiAlO₂”, Journal of Nuclear Materials, 372 (2008) 53-58.
199. Oya, Y. Hirohata, T. Nakahata, T. Suda, M. Yoshida, T. Arai, K. Masaki, K. Okuno, T. Tanabe, ” Hydrogen isotope retentions and erosion/deposition profiles in the first wall of JT-60U”, Fusion Science and Technology, 52 (2007) 554-558.
200. Yoshikawa, Y. Oya, H. Miyauchi, Y. Nishikawa, T. Nakahata, T. Suda, E. Igarashi, M. Oyaidzu, M. Tokitani, H. Iwakiri, N. Yoshida and K. Okuno, “Helium Implantation Effects on Retention Behavior of Hydrogen Isotopes in Boron Films”, Fusion Science and Technology, 52 (2007) 870-874.
201. Makoto Oyaidzu, Yusuke Nishikawa, Taichi Suda, Akira Yoshikawa, Yasuhisa Oya, and Kenji Okuno, “Study on Chemical Behavior of Energetic Deuterium Implanted into Li₂TiO₃”, Fusion Science and Technology, 52 (2007) 1002-1006.
202. Kobayashi, T. Hayashi, T. Yamanishi, Y. Oya and K. Okuno, “Study for the behavior of tritiated water vapor on organic materials”, Fusion Science and Technology, 52 (2007) 696-700.
203. Oya, H. Miyauchi, T. Suda, A. Yoshikawa, K. Okuno and S. Tanaka, “Temperature dependence of hydrogen isotope behaviors in non-He⁺ pre-implanted SiC and He⁺ pre-implanted SiC”, Fusion Engineering and Design, 82 (2007) 2582-2587.
204. Suda, H. Miyauchi, A. Yoshikawa, H. Kimura, Y. Oya and K. Okuno, “Effects of implantation conditions on retention behavior of deuterium in highly oriented pyloritic graphite”, Fusion Engineering and Design, 82 (2007) 1762-1766.
205. Masaki, T. Tanabe, Y. Hirohata, Y. Oya, T. Shibahara, T. Hayashi, K. Sugiyama, T. Arai, K. Okuno and N. Miya, “Hydrogen retention and carbon deposition in plasma facing components and shadowed area of JT-60U”, Nucl. Fusion, 47 (2007) 1577-1582.
206. Oya, Y. Hirohata, M. Oyaidzu, T. Shibahara, K. Sugiyama, A. Yoshikawa, Y. Onishi, Y. Ishimoto, J. Yagyu, T. Arai, K. Masaki, K. Okuno, N. Miya, S. Tanaka and T. Tanabe, “Hydrogen isotope behavior in the first wall of JT-60U after deuterium plasma operation”, Journal of Nuclear Materials, 367-370 (2007) 1266-1270.
207. Hirohata, T. Tanabe, T. Shibahara, M. Oyaidzu, K. Sugiyama, Y. Oya, A. Yoshikawa, Y. Onishi, T. Arai, K. Masaki, Y. Ishimoto, K. Okuno, N. Miya, “Distribution of hydrogen isotope retained in the divertor tiles used in JT-60U”, Journal of Nuclear Materials, 367-370 (2007) 1260-1265.
208. Takuji Oda, Yasuhisa Oya, Satoru Tanaka and William J. Weber, “Validation of potential models for Li₂O in classical molecular dynamics simulation”, Journal of Nuclear Materials, 367-370 (2007) 263-268.
209. X. Wang, H. Miyauchi, T. Nakahata, Y. Nishikawa, Y. Oya, N. Noda, K. Okuno, “Behavior of deuterium in boron films covered by oxygen-containing layer”, Journal of Nuclear Materials, 367-370 (2007) 1503-1506.
210. Toshihiko Nakahata, Akira Yoshikawa, Makoto Oyaidzu, Yasuhisa Oya, Yuki Ishimoto, Kaname Kizu, Naoko Ashikawa, Kiyohiko Nishimura, Naoyuki Miya and Kenji Okuno, “Dynamics of deuterium implanted in boron coating film for wall conditioning”, Journal of Nuclear Materials, 367-370 (2007) 1170-1174.
211. Makoto Oyaidzu, Hiromi Kimura, Toshihiko Nakahata, Hideo Miyauchi, Masayuki Tokitani, Yasuhisa Oya, Hirotomo Iwakiri, Naoaki Yoshida and Kenji Okuno, “Effects of chemical status of carbon on deuterium retention in carbon containing materials”, Journal of Nuclear Materials, 367-370 (2007) 1522-1526.
212. Akira Yoshikawa, Makoto Oyaidzu, Hideo Miyauchi, Yasuhisa Oya, Akio Sagara, Nobuaki Noda and Kenji Okuno, “Effect of oxygen concentration on the chemical behavior of deuterium implanted into oxygen-containing boron thin film”, Journal of Nuclear Materials, 367-370 (2007) 1527-1530.
213. Fukada, G.R. Smolik, M. Simpson, R.A. Anderl, J.P. Sharpe, Y. Oya, Y. Hatano, T. Terai, K. Okuno, D.-K. Sze, D. Petti, A. Sagara, “Reaction rate of beryllium with fluorine Ion for Flibe redox control”, Journal of Nuclear Materials, 367-370 (2007) 1190-1196.
214. Igarashi, Y. Nishikawa, T. Nakahata, A. Yoshikawa, M. Oyaidzu, Y. Oya and K. Okuno, “Dependence of implantation temperature on chemical behavior of energetic deuterium implanted into tungsten carbide”, Journal of Nuclear Materials, 363-365 (2007) 910-914.
215. Miyauchi, A. Yoshikawa, M. Oyaidzu, Y. Oya, A. Sagara, N. Noda, and K. Okuno, “Ion fluence dependence on chemical behavior of energetic deuterium implanted into oxygen-contained boron film”, Journal of Nuclear Materials, 363-365 (2007) 925-928.
216. Ashikawa, K. Kizu, J. Yagyu, Y. Nobuta, T. Nakahata, K. Nishimura, A. Yoshikawa, Y. Ishimoto, Y. Oya, K. Okuno, N. Miya, T. Hino, S. Masuzaki, A. Sagara, N. Ohyabu, “Comparison of boronized wall in LHD and JT-60U”, Journal of Nuclear Materials, 363-365 (2007) 1352-1357.
217. Yasuhisa Oya, Hideo Miyauchi, Taichi Suda, Yusuke Nishikawa, Takuji Oda, Kenji Okuno and Satoru Tanaka, “Effects of helium implantation on hydrogen isotope retention behavior in SiC”, Journal of Nuclear Materials, 363-365 (2007) 933-937.
218. Hirohata, T. Tanabe, Y. Oya, K. Okuno, K. Masaki and N. Miya, “Hydrogen isotopes retention in JT-60U”, Journal of Nuclear Materials, 363-365 (2007) 854-861.
219. Oya, Y. Onishi, H. Miyauchi, K. Okuno and S. Tanaka, “Hydrogen isotope behavior and its interaction with post irradiated energetic helium in SiC”, Journal of Radioanalytical and nuclear chemistry, 272 (2007) 639-644.
220. Shibahara, T. Tanabe, Y. Hirohata, Y. Oya, M. Oyaidzu, A. Yoshikawa, Y. Onishi, T. Arai, K. Masaki, K. Okuno and N. Miya, “Hydrogen retention of JT-60 open divertor tiles exposed to HH discharges”, Nuclear Fusion, 46 (2006) 841-847.
221. Shibahara, T. Tanabe, Y. Hirohata, Y. Oya, M. Oyaidzu, A. Yoshikawa, Y. Onishi, T.Arai, K. Masaki, K. Okuno and N. Miya, “Hydrogen isotope retention of JT-60U W-shaped divertor tiles exposed to DD discharges”, Journal of Nuclear Materials, 357 (2006) 115-125.
222. 大矢恭久、広畑優子、田辺哲朗、奥野健二、宮直之、田中知, “JT-60UにおけるW型ダイバータタイル中の水素および重水素蓄積挙動と損耗・再堆積分布”, プラズマ・核融合学会誌, 82 (2006) 226-232.
223. 大矢恭久、“熱脱離による水素同位体の除去”、真空、49 (2006) 56-61.
224. Shogo Higaki, Yasuhisa Oya and Yoshihiro Makide, “Emission of methane from stainless steel surface investigated by using tritium as a radioactive tracer”, Chemistry Letters, 35 (2006) 292-293.
225. David A. Petti, G.R. Smolik, Michael F. Simpson, John P. Sharpe, R.A. Anderl, S. Fukada, Y. Hatano, M. Hara, Oya, T. Terai, D.-K. Sze and S. Tanaka, “JUPITER-II molten salt Flibe research: An update on tritium, mobilization and redox chemistry experiments”, Fusion Engineering and Design, 81 (2006) 1439-1449.
226. Takuji Oda, Yasuhisa Oya, Ryan Uy Olivares and Satoru Tanaka, “Reactivity of H₂O gas with the surface of polycrystalline Li₂O pellet”, Fusion Engineering and Design, 81 (2006) 613-618.
227. Takeda, A. Yoshikawa, M. Oyaidzu, T. Nakahata, Y. Nishikawa, H. Kimura, Y. Onishi, H. Miyauchi, Y. Oya, A. Sagara, N. Noda and K. Okuno, “Helium irradiation effects for deuterium retention in boron coating films”, Fusion Engineering and Design, 81 (2006) 301-306.
228. Kimura, Y. Nishikawa, T. Nakahata, M. Oyaidzu, Y. Oya and K. Okuno, “Chemical behavior of energetic deuterium implanted into tungsten carbide”, Fusion Engineering and Design, 81 (2006) 295-299.
229. Kobayashi, T. Hayashi, M. Nishi, Y. Oya and K. Okuno, “Sorption and desorption of tritiated water on four kinds of materials for ITER”, Fusion Engineering and Design, 81 (2006) 1379-1384.
230. Michael F. Simpson, Galen R. Smolik, John P. Sharpe, Robert A. Anderl, David A. Petti, Yuji Hatano, Masanori Hara, Yasuhisa Oya, Satoshi Fukada, Saturu Tanaka, Takayuki Terai and Dai-Kai Sze, “Quantitative Measurement of beryllium-controlled Redox of hydrogen fluoride in molten FLiBe” Fusion Engineering and Design, 81 (2006) 541-547.
231. Hara, Y. Hatano, M. Simpson, G. Smolik, P. Sharp, Y. Oya, S. Tanaka, K. Okuno, M. Nishikawa, T. Terai, R. Anderl, D. Petti, “Interactions between molten Flibe and metallic Be”, Fusion Engineering and Design, 81 (2006) 561-566.
232. Oya, Y. Onishi, T. Takeda, H. Kimura, K. Okuno and S. Tanaka, “Interaction between hydrogen isotopes and damaged structures produced by He⁺ implantation in SiC”, Fusion Engineering and Design, 81 (2006) 987-992.
233. Yoshikawa, Y. Hirohata, Y. Oya, T. Shibahara, M. Oyaidzu, T. Arai, Y. Gotoh, K. Masaki, N. Miya, K. Okuno, T. Tanabe, “Hydrogen retention and depth profile in divertor tiles of JT-60 exposed to hydrogen discharges”, Fusion Engineering and Design, 81 (2006) 289-294.
234. Olivares, T. Oda, Y. Oya, K. Tsuchiya and S. Tanaka, “Hydrogen isotopes behavior on Li₂TiO₃ under varied surface condition”, Fusion Engineering and Design, 75-79 (2005) 765-768.
235. Oda, Y. Oya and S. Tanaka, “Thermal desorption behavior of hydrogen isotopes interacting with radiation defects in Li₂O”, Fusion Engineering and Design, 75-79 (2005) 835-839.
236. Oya, Y. Hirohata, Y. Shibahara, M. Oyaidzu, T. Arai, K. Masaki, Y. Gotoh, K. Okuno, N. Miya, T. Tanabe, T. Hino and S. Tanaka, “Hydrogen isotope distribution and retention in the inner divertor tile of JT-60U”, Fusion Engineering and Design, 75-79 (2005) 945-949.
237. Takuji Oda, Yasuhisa Oya and Satoru Tanaka, “Dynamic observation of the behavior of 3 keV D₂⁺ irradiated into Li₂O using IR absorption spectroscopy”, Journal of Nuclear Materials, 346 (2005) 306-311.
238. Oya, Y. Onishi, H. Kodama, T. Kawano, Y. Asakura, T. Uda, K. Okuno, S. Tanaka, “Hydrogen isotope behavior in type 316 stainless steel sorbed by various methods”, Fusion Science and Technology, 48 (2005) 597-600.
239. Hirohata, T. Shibahara, T. Tanabe, Y. Oya, T. Arai, Y. Gotoh, K. Masaki, J. Yagyu, M. Oyaidzu, K. Okuno, M. Nishikawa, N. Miya, “Retention of hydrogen isotopes in divertor tiles used in JT-60U”, Fusion Science and Technology, 48 (2005) 557-560.
240. Tanaka, K. Chiba, Y. Oya, “FT-IR study on behavior of surface hydroxyls under irradiation of energetic particles”, Fusion Science and Technology, 48 (2005) 224-227.
241. Oyaidzu, A. Yoshikawa, H. Kodama, Y. Oya, A. Sagara, N. Noda and K. Okuno, “Preparation of pure boron coating film and its characterization by XPS and TDS”, Applied Surface Science, 244 (2005) 240-243.
242. Yasuhisa Oya, Yoshihiro Onishi, Kenji Okuno and Satoru Tanaka, “Trapping and detrapping mechanism of deuterium in SiC studied by XPS and TDS techniques”, Materials Transactions, 46 (2005) 552-556.
243. Masaki, K. Sugiyama, T. Hayashi, K. Ochiai, Y. Gotoh, T. Shibahara, Y. Hirohata, Y. Oya, N. Miya and T. Tanabe, “Retention characteristics of hydrogen isotopes in JT-60U”, Journal of Nuclear Materials, 337-339 (2005) 553-559.
244. Kodama, M. Oyaidzu, A. Yoshikawa, H. Kimura, Y. Oya, M. Matsuyama, A. Sagara, N. Noda, and K. Okuno, “Helium irradiation effects on retention behavior of deuterium implanted into boron coating film by PCVD”, Journal of Nuclear Materials, 337-339 (2005) 649-653.
245. Hirohata, T. Shibahara, T. Tanabe, T. Arai, Y. Gotoh, Y. Oya, H. Yoshida, Y. Morimoto, J. Yagyu, K. Masaki, K. Okuno, T. Hino and N. Miya, “Hydrogen retention in divertor tiles used in JT-60 for hydrogen discharge period”, Journal of Nuclear Materials, 337-339 (2005) 609-613.
246. Oya, Y. Onishi, H. Kodama, K. Okuno and S. Tanaka, “Dynamic hydrogen isotope behavior and its chemical states in SiC by XPS and TDS technique”, Journal of Nuclear Materials, 337-339 (2005) 595-599.
247. V. Styrov, V.I. Tyutyunnikov, O.T. Sergeev, Y. Oya and K. Okuno, “Chemical reactions of atomic hydrogen at SiC surface and heterogeneous chemiluminescence”, Journal of Physics & Chemistry of Solids, 66 (2005) 513-520.
248. Satoru Tanaka, Takuji Oda and Yasuhisa Oya, “Hydrogen isotope behavior in Li₂O at low temperature by FT-IR”, Journal of Nuclear Materials, 329-333 (2004) 1270-1273.
249. Miya, T. Tanabe, M. Nishikawa, K. Okuno, Y. Hirohata and Y. Oya, “Major results of the cooperative program between JAERI and universities using plasma facing materials in JT-60U”, Journal of Nuclear Materials, 329-333 (2004) 74-80.
250. Hirohata, Y. Oya, H. Yoshida, Y. Morimoto, T. Arai, K. Kizu, J. Yagyu, K. Masaki, Y. Gotoh, K. Okuno, N. Miya, T. Hino, S. Tanaka and T. Tanabe, “Depth profile and retention of hydrogen isotopes in graphite tiles used in the W-shaped divertor of JT-60U”, Journal of Nuclear Materials, 329-333 (2004) 785-789.
251. Takuji Oda, Yasuhisa Oya and Satoru Tanaka, “Observation of multiple O-D vibration peaks on Li₂O surface under deuterium ion irradiation using diffuse reflectance FT-IR”, Journal of Nuclear Materials, 329-333 (2004) 1256-1259.
252. Morimoto, Y. Oya, Y. Hirohata, H. Kodama, H. Yoshida, K. Kizu, J. Yagyu, K. Masaki, Y. Gotoh, N. Miya, T. Hino, S. Tanaka , K. Okuno, and T. Tanabe, “Correlation between hydrogen isotope profiles and surface structure of divertor tiles in JT-60U”, Journal of Nuclear Materials, 329-333 (2004) 894-898.
253. Nakagawa, M. Matsuyama, H. Kodama, Y. Oya, K. Okuno, A. Sagara, N. Noda and K. Watanabe, “Behavior of tritium release from thin boron films deposited on SS316”, Journal of Nuclear Materials, 329-333 (2004) 904-908.
254. Kodama, M. Oyaidzu, M. Sasaki, H. Kimura, Y. Morimoto, Y. Oya, M. Matsuyama, A. Sagara, N. Noda and K. Okuno, “Studies on structural and chemical characterization for boron coating films deposited by PCVD”, Journal of Nuclear Materials, 329-333 (2004) 889-893.
255. Oya, H. Kodama, Y. Morimoto, M. Matsuyama, A. Sagara, N. Noda and K. Okuno, “Implanted hydrogen isotope retention and its chemical behavior in boron thin film for wall conditioning”, Journal of Nuclear Materials, 329-333 (2004)870-873.
256. Oya, Y. Hirohata, Y. Morimoto, K. Kizu, J. Yagyu, K. Masaki, Y. Miyo, Y. Gotoh, K. Okuno, T. Tanabe, N. Miya, T. Hino and S. Tanaka, “Analyses of Hydrogen Isotope Distributions in the Outer Target Tile Used in the W-shaped Divertor of JT-60U”, Physica Scripta, T108 (2004) 57-62.
257. Oya, Y. Morimoto, Y. Hirohata, H. Kodama, H. Yoshida, K. Kizu, J. Yagyu, Y. Gotoh, K. Masaki, K. Okuno, N. Miya, T. Hino, S. Tanaka and T. Tanabe, “Study of Chemical States of Graphite Tiles Exposed to Deuterium Plasma by XPS”, JAERI-Review, 2003-29 (2003) 140-143
258. Hirohata, Y. Oya, H. Yoshida, Y. Morimoto, H. Kodama, K. Kizu, J. Yagyu, Y. Gotoh, K. Masaki, K. Okuno, N. Miya, T. Hino, S. Tanaka and T. Tanabe, “The Depth Profiles of Deuterium and Hydrogen in Graphite Tiles Exposed to Deuterium Plasma Discharges of JT-60U”, JAERI-Review, 2003-29 (2003) 136-139
259. Kodama, Y. Morimoto, M. Sasaki, M. Oyaidu, Y. Oya, A. Sagara, N. Noda, and K. Okuno, “Chemical behaviors of energetic deuterium implanted into boron coatings”, Fusion Science & Technology, 44 (2003) 420-424.
260. Oya, Y. Morimoto, H. Kodama, K. Chiba, T. Kawano, Y. Asakura, T. Uda, K. Okuno, S. Tanaka and Y. Makide, “Hydrogen adsorption behavior in stainless steel for cooling pipe in fusion reactor”, Fusion Science & Technology, 44 (2003) 359-363
261. Hirohata, Y. Oya, H. Yoshida, Y. Morimoto, H. Kodama, K. Kizu, J. Yagyu, Y. Gotoh, K. Masaki, K. Okuno, N. Miya, S. Tanaka and T. Tanabe, “The depth profiles of deuterium and hydrogen in graphite tiles exposed to DD plasma discharged of JT-60U”, Physica Scripta, T103 (2003) 15-19.
262. Oya, K. Kawaai. K. Morita, K. Iinuma, K. Okuno, S. Tanaka and Y. Makide, “Retention and re-emission behavior of hydrogen isotopes in SiC”, Physica Scripta, T103 (2003) 81-84.
263. Kodama, T. Sugiyama, Y. Morimoto, Y. Oya, K. Okuno, N. Inoue, A. Sagara and N. Noda, “Thermal annealing effects on chemical states of implanted deuterium into boron thin film”, Journal of Nuclear Materials, 313-316 (2003) 153-157.
264. Oya, Y. Hirohata, Y. Morimoto, H. Yoshida, H. Kodama, K. Kizu, J. Yagyu, Y. Gotoh, K. Masaki, K. Okuno, T. Tanabe, N. Miya, T. Hino and S. Tanaka, “Hydrogen isotope behavior in in-vessel components used for DD plasma operation of JT-60U by SIMS and XPS technique”, Journal of Nuclear Materials, 313-316 (2003) 209-213.
265. Yasuhisa Oya, Hironori Suzuki, Kenji Morita, Koichi Iinuma, Shunsuke Uchida, Yoshihiro Makide and Satoru Tanaka, “Retention and replacement of hydrogen isotopes and isotope effect in SiC by H⁺ and D⁺ ion irradiation”, Fusion Engineering and Design, 61-62 (2002) 705-710.
266. Higashijima, K. Obara, K. Shibanuma, K. Koizumi, K. Kobayashi, Y. Oya, W. Shu, T. Hayashi and M. Nishi, “Exposure to tritiated moisture and decontamination of components for ITER remote handling equipment”, Fusion Science and Technology, 41 (2002) 731-735
267. Shu, C.A. Gentile, C.H. Skinner, S. Langish, G. Guttadora, A. Carpe, S. Ohira, Y. Oya, T. Hayashi, H. Nakamura, Y. Iwai, M.F. Nishi and K.M. Young, “Tritium decontamination of TFTR D-T plasma facing components employing ultra violet laser”, Fusion Science and Technology, 41 (2002) 690-694.
268. Yasuhisa Oya, Wataru Shu, Takumi Suzuki, Takumi Hayashi, Shigeru O’hira, Masataka Nishi and Koichi Iinuma, “A study of beta-decay induced reaction on T₂O-CO₂ system”, Fusion Science and Technology, 41 (2002) 373-377.
269. Yasuhisa Oya, Takahiro Tadokoro, Wataru Shu, Takumi Hayashi, Shigeru O’hira and Masataka Nishi, “Tritium decontamination from co-deposited layer on tungsten substrate by ultra violet lamp and laser”, Journal of Nuclear Science and Technology, 38 (2001) 967-970
270. Yasuhisa Oya, Kazuhiro Kobayashi, Wataru Shu, Takumi Hayashi, Shigeru O’hira, Masataka Nishi, Takeshi Higashijima, Kenjiro Obara, Kiyoshi Shibanuma and Kouichi Koizumi, “Tritium contamination and decontamination study on materials for ITER remote handling equipment”, Fusion Engineering and Design, 55 (2001) 449-455.
271. Yasuhisa Oya, Kazuhiro Kobayashi, Wataru Shu, Takumi Hayashi, Shigeru O’hira, Masataka Nishi, Takeshi Higashijima, kenjiro obara, Kiyoshi Shibanuma and Kouichi Koizumi, “Contamination and decontamination of some component materials for ITER remote handling equipment exposed to tritiated moisture environment”, Fusion Technology, 39 (2001) 1023-1027.
272. Wataru Shu, Shigeru O’hira, C.A.Gentile, Yasuhisa Oya, Hirofumi Nakamura, Takumi Hayashi, Yasunori Iwai, Yoshinori Kawamura, Satoshi Konishi, Masataka Nishi, C.H.Skinner and K.M.Young, “Tritium decontamination of TFTR carbon tiles employing Ultra Violet light”, Journal of Nuclear Materials, 290-293 (2001) 482-485.
273. Yasuhisa Oya, Wataru Shu, Shigeru O’hira, Takumi Hayashi, Hirofumi Nakamura, Takuhiko Sakai, Takahiro Tadokoro, Kazuhiro Kobayashi, Takumi Suzuki and Masataka Nishi, “A study of tritium decontamination of deposits by UV irradiation”, Journal of Nuclear Materials, 290-293 (2001) 469-472.
274. Yasuhisa Oya, Tatsuya Suzuki, Koichi Iinuma, Kenji Morita, Tomoaki Horikawa and Katsunori Abe, “An isotope effect in electrolytic hydrogen absorption of some transition metals studied by ERDA and SIMS techniques”, Applied Surface Science, 169-170 (2001) 246-252.
275. 洲亘、大矢恭久、“プラズマ対向材料のトリチウム除染研究”、プラズマ核融合学会誌、76 (2000) 1021-1028.
276. Yasuhisa Oya, Wataru Shu, Shigeru O’hira, Takumi Hayashi and Masataka Nishi, “Preliminary experiments on tritium decontamination by UV irradiation”, JAERI-Tech, 2000-010.
277. Shigeru O’hira, Kanetsugu Isobe, Takumi Suzuki, Yasuhisa Oya and Masataka Nishi, “Beta induced reaction study on T₂-CO system”, Fusion Engineering and Design, 49-50 (2000) 905-914.
278. Yasuhisa Oya, Tatsuya Suzuki, Koichi Iinuma, Kenji Morita, Tomoaki Horikawa, Katsunori Abe and Makoto Okamoto, “A study of absorption processes of hydrogen isotopes in some transition metals by LiOD+LiOH mixture electrolysis”, Journal of Nuclear Materials 278 (2000) 48-53.
279. Yasuhisa Oya, Tatsuya Suzuki, Koichi Iinuma, Kenji Morita, Tomoaki Horikawa, Katsunori Abe and Makoto Okamoto, “Electrolytic hydrogenation and its isotope effect in Zr and Pd studied by ERDA and SIMS techniques”, Journal of Nuclear Materials 275 (1999) 186-193.