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J-GLOBAL ID:202101009401975528   Update date: Nov. 14, 2024

Okamoto Yoshihiro

オカモト ヨシヒロ | Okamoto Yoshihiro
Affiliation and department:
Research field  (1): Quantum beam science
Research theme for competitive and other funds  (6):
  • 2023 - 2026 燃料デブリ版・逐次抽出法の開発とデブリの化学的安定性の指標化
  • 空間分解能を備えたイメージングXAFSによる異種元素間の化学的相関分析
  • 福島汚染土壌の減容化と再利用に向けたセシウムフリー鉱化法の開発
  • 異種元素添加した核燃料模擬材料の高エネルギー重イオン照射効果
  • 放射光イメージング技術による原子力燃料材料の元素分布及び挙動解析
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Papers (82):
  • Masuno Atsunobu*, Munakata Sae*, Okamoto Yoshihiro, Yaji Toyonari*, Kosugi Yoshihisa*, Shimakawa Yuichi*. Crystal-like atomic arrangement and optical properties of 25La$_{2}$O$_{3}$-75MoO$_{3}$ binary glasses composed of isolated MoO$_{4}$$^{2-}. Inorganic Chemistry. 2024. 63. 12. 5701-5708
  • Tonna Ryutaro*, Sasaki Takayuki*, Okamoto Yoshihiro, Kobayashi Taishi*, Akiyama Daisuke*, Kirishima Akira*, Sato Nobuaki*. Dissolution behavior and aging of iron-uranium oxide. Journal of Nuclear Materials. 2024. 589. 154862\_1-154862\_10
  • Yoneda Yasuhiro, Tsuji Takuya, Matsumura Daiju, Okamoto Yoshihiro, Takaki Seiya, Takano Masahide. Local structure analysis of DyN-ZrN solid solutions. Physica B; Condensed Matter. 2023. 663. 414960\_1-414960\_9
  • Oba Yojiro, Motokawa Ryuhei, Kaneko Koji, Nagai Takayuki, Tsuchikawa Yusuke, Shinohara Takenao, Parker J. D.*, Okamoto Yoshihiro. Neutron resonance absorption imaging of simulated high-level radioactive waste in borosilicate glass. Scientific Reports (Internet). 2023. 13. 10071\_1-10071\_8
  • Akiyama Daisuke*, Mishima Tomoki*, Okamoto Yoshihiro, Kirishima Akira*. Dry synthesis of brannerite (UTi$_{2}$O$_{6}$) by mechanochemical treatment. High Temperature Materials and Processes. 2023. 42. 1. 20220268\_1-20220268\_9
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MISC (58):
  • Katsuoka Nanako, Akiyama Daisuke*, Kirishima Akira*, Nagai Takayuki, Okamoto Yoshihiro, Sato Nobuaki*. Investigation of chemical state of uranium included in simulated waste glass. 2023-Nendo "Busshitsu, Debaisu Ryoiki Kyodo Kenkyu Kyoten" Kenkyu Seika, Katsudo Hokokusho (Internet). 2024. 1-20191107\_1
  • Nagai Takayuki, Katsuoka Nanako, Okamoto Yoshihiro, Baba Yuji*, Akiyama Daisuke*. Synchrotron analysis of coagulated surface of simulated waste glasses. Photon Factory Activity Report 2023 (Internet). 2024. 3
  • Nagai Takayuki, Akiyama Daisuke*, Kirishima Akira*, Katsuoka Nanako, Okamoto Yoshihiro, Sato Nobuaki*. Investigation of chemical state of uranium included in simulated waste glass. 2022-Nendo "Busshitsu, Debaisu Ryoiki Kyodo Kenkyu Kyoten" Kenkyu Seika, Katsudo Hokokusho (Internet). 2023. 1
  • Nagai Takayuki, Okamoto Yoshihiro, Yamagishi Hirona*, Shibata Daisuke*, Kojima Kazuo*, Hasegawa Takehiko*, Sato Seiichi*, Fukaya Akane*, Hatakeyama Kiyoshi*. Structural investigation of borosilicate glasses by using XAFS measurement in soft X-ray region, 3 (Joint research). JAEA-Research 2023-004. 2023. 45
  • Nagai Takayuki, Tone Masaya, Katsuoka Nanako, Okamoto Yoshihiro, Baba Yuji*, Akiyama Daisuke*. Synchrotron analysis of simulated waste glasses different in boron isotope ingredient. Photon Factory Activity Report 2022 (Internet). 2023. 3
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Patents (2):
  • Method for selective separation of trivalent and tetravalent actinoids from trivalent lanthanoids using hybrid donor type extractant having functional group carrying active oxygen and nitrogen atoms
  • 酸素及び窒素原子が活性な官能基を持つハイブリットドナー型抽出剤による3価及び4価アクチノイドの3価ランタノイドからの選択的分離法
Lectures and oral presentations  (219):
  • Investigation of chemical state of uranium contained in borosilicate glass
    (第60回X線分析討論会)
  • X-ray analysis for radioactive particulates from Fukushima-Daiichi Nuclear Power Plant using synchrotron radiation at SPring-8
    (ATAS-AnXAS 2024 Joint Workshop)
  • Synchrotron radiation analysis of microparticle from Fukushima-Daiichi Nuclear Power Plant at JAEA beamline
    (SPring-8シンポジウム2024)
  • Basic Research Programs of Vitrification Technology for Waste Volume Reduction, 130; Examination of YP formation mechanisms by experiments using zirconium molybdate as a starting material, 4
    (日本原子力学会2024年秋の大会)
  • X-ray analysis for radioactive particles from Fukushima Daiichi Nuclear Power Plant using synchrotron radiation at SPring-8, 1; Development of measuring technique
    (日本原子力学会2024年秋の大会)
more...
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