OKUBO Nariaki

Research theme for competitive and other funds (7)：

2022 - 2026 アスタチン製造の高効率化を目指した気相中におけるアスタチンの特性評価
2022 - 2026 事故耐性Fe-Cr-Al合金における高Cr脆化相の照射下シミュレーション技術開発
2018 - 2022 Proof of concept of liquid metal Bi targeting system for continuous production of astatine 211 for cancer treatment
2017 - 2020 Mechanism and modeling of one-dimensional motion of interstitial clusters under ion irradiation
2014 - 2017 Shape elongation of embedded metal nanoparticles induced by swift heavy ion irradiation

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Papers (78)：

Abe Yosuke, Sasaki Taisuke*, Yamashita Shinichiro, Okubo Nariaki, Ukai Shigeharu. Systematic experimental and model-based evaluation of the synergistic effects of alloy composition and damage rate on the formation of Cr-rich precipitates in Fe-Cr-Al alloys under ion irradiation. Journal of Nuclear Materials. 2024. 600. 155271\_1-155271\_12
Amekura Hiroshi*, Chettah A.*, Narumi Kazumasa*, Chiba Atsuya*, Hirano Yoshimi*, Yamada Keisuke*, Yamamoto Shunya*, Leino A. A.*, Djurabekova F.*, Nordlund K.*, et al. Latent ion tracks were finally observed in diamond. Nature Communications (Internet). 2024. 15. 1786\_1-1786\_10
Haoran W.*, Yu H.*, Liu J.*, Kondo Sosuke*, Okubo Nariaki, Kasada Ryuta*. Characterization and corrosion behavior of Al-added high Mn ODS austenitic steels in oxygen-saturated lead-bismuth eutectic. Corrosion Science. 2022. 209. 110818\_1-110818\_12
A. D. Pogrebnjak, V. V. Buranich, P. Horodek, P. Budzynski, P. Konarski, H. Amekura, N. Okubo, N. Ishikawa, A. Bagdasaryan, B. Rakhadilov, et al. EVALUATION OF THE PHASE STABILITY, MICROSTRUCTURE, AND DEFECTS IN HIGH-ENTROPY CERAMICS AFTER HIGH-ENERGY ION IMPLANTATION. High Temperature Material Processes. 2022. 26. 3. 77-93
H. Amekura, M. Toulemonde, K. Narumi, R. Li, A. Chiba, Y. Hirano, K. Yamada, S. Yamamoto, N. Ishikawa, N. Okubo, et al. Ion tracks in silicon formed by much lower energy deposition than the track formation threshold. Scientific Reports. 2021. 11. 1

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MISC (43)：

Saito Shigeru, Wan T.*, Okubo Nariaki, Kita Satoshi*, Obayashi Hironari, Sasa Toshinobu. Development of high temperature LBE corrosion test loop "OLLOCHI". JAEA-Technology 2021-034. 2022. 94
Meigo Shinichiro, Nakano Keita, Okubo Nariaki, Yuyama Takahiro*, Ishii Yasuyuki*. Durability of secondary electron emission for high-intensity beam on SiC wire. Proceedings of 18th Annual Meeting of Particle Accelerator Society of Japan (Internet). 2021. 296-301
Watanabe Nao, Sugawara Takanori, Okubo Nariaki, Nishihara Kenji. Manufacturing miniature beam window for accelerator-driven system by cutting T91 steel. JAEA-Technology 2020-026. 2021. 2020-026. 59
Sugawara Takanori, Kita Satoshi*, Yoshimoto Hidemitsu*, Okubo Nariaki. Measurement experiment of oxygen concentration in liquid lead-bismuth eutectic; Basic Tests and estimation of gamma-ray irradiation effect. JAEA-Technology 2018-008. 2018. 2018-008. 26
Saito Shigeru, Obayashi Hironari, Wan T., Okubo Nariaki, Sugawara Takanori, Endo Shinya, Sasa Toshinobu. Design of LBE spallation target for ADS Target Test Facility (TEF-T) in J-PARC. Proceedings of 13th International Topical Meeting on Nuclear Applications of Accelerators (AccApp '17) (Internet). 2018. 448-457

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Patents (1)：

Lectures and oral presentations (64)：

Effect of alloy composition and damage rate on the formation of Cr-rich precipitates in Fe-Cr-Al alloys under ion irradiation
(第24回「イオンビームによる表面・界面の解析と改質」特別研究会)
High-throughput experiments on Cr-rich particle formation in Fe-Cr-Al alloys using combinatorial samples with continuous concentration gradients
(日本金属学会2024年秋期(第175回)講演大会)
Formation behavior of Cr-rich phases in Fe-Cr-Al alloys by thermal ageing and its relation to mechanical properties
(日本金属学会2024年春期(第174回)講演大会)
Study on coating technic to enhance accident tolerance of fuel cladding, 3; Irradiation behavior of the Cr coated MDA cladding
(日本原子力学会2024年春の年会)
High fluence effect on the surface morphology of ceramics irradiated by SHI
(21st International Conference on Radiation Effects in Insulators (REI-21))

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