中平 夕貴YUKI NAKAHIRA
Last Updated :2025/08/06
- 所属・職名
- 大学院先進理工系科学研究科 助教
- メールアドレス
- nakahira
hiroshima-u.ac.jp
- その他連絡先
- 〒739-8521 東広島市鏡山一丁目7番1号 総合科学部 研究棟BB204
TEL:082-424-6558
- 自己紹介
- 放射光X線を用いて高圧下における水素化物の合成や構造変化について研究しています。
基本情報
主な職歴
- 2025年04月01日, 広島大学, 大学院先進理工系科学研究科, 助教
- 2022年05月01日, 2025年03月31日, 国立研究開発法人量子科学技術研究開発機構, 博士研究員
- 2021年04月01日, 2022年04月30日, 東京都立大学, 理学部物理学科, 特任教員
学位
- 修士(理学) (広島大学)
- 博士(理学) (広島大学)
所属学会
- 日本MRS 水素科学技術連携研究会
- 日本結晶学会
- 日本金属学会
- 日本物理学会
教育活動
授業担当
- 2025年, 教養教育, 3ターム, 物理学実験法・同実験I[1工二]
- 2025年, 教養教育, 1ターム, 物理学実験法・同実験I[2工四]
- 2025年, 教養教育, 4ターム, 物理学実験法・同実験II[1工二]
- 2025年, 教養教育, 2ターム, 物理学実験法・同実験II[2工四]
- 2025年, 学部専門, 1ターム, 物理科学概論
研究活動
学術論文(★は代表的な論文)
- Synthesis, Crystal Structure, and Hydrogen Storage Properties of an AB3‑Based Alloy Synthesized by Disproportionation Reactions of AB2‑Based Alloys, J. Phys. Chem. C, 129巻, 6号, pp. 2865-2873, 20250202
- Distortion and Destabilization of Mg Hydride Facing High Entropy Alloy Matrix, ACS Appl. Energy Mater., 7巻, 24号, 20241210
- Defect-Driven Evolution of Oxo-Coordinated Cobalt Active Sites with Rapid Structural Transformation for Efficient Water Oxidation, ACS Nano, 18巻, 42号, pp. 28986-28998, 20241010
- Stabilization and high thermoelectric performance of high-entropy-typecubic AgBi(S, Se, Te)2, J. Alloy. Compd., 1004巻, 5号, pp. 175679, 20241105
- Hydrogenation behavior of a C14 Laves phase under ultra-high hydrogen pressure, J. Alloys Compd., 965巻, 25号, pp. 171348, 20231125
- Structural phase transition and spin state in the perovskite cobalt oxides La1-xPrxCoO3 (x = 0.30, 0.34), Phys. Rev. B, 109巻, 024115号, 20240129
- Stability and Metastability of Li3YCl6 and Li3HoCl6, Bulletin of the Chemical Society of Japan, 96巻, 11号, pp. 1262-1268, 20230927
- High entropy alloys containing immiscible Mg and refractory elements: synthesis, structure and hydrogen storage properties, J. Alloys Compd., 969巻, 25号, pp. 172415, 20231225
- Absence of Tc-Pinning Phenomenon Under High Pressure in High-Entropy REO0.5F0.5BiS2 Layered Superconductor, J. Phys. Soc. J., 92巻, 114702号, 20231003
- Elucidating Primary Degradation Mechanisms in High-Cycling-Capacity, Compositionally Tunable High-Entropy Hydrides, ACS Appl. Mater. Interfaces, 15巻, pp. 38412-38422, 20230804
- Synthesis and Characterization of a Trigonal Layered Compound AgInS2, ACS Omega, 8巻, 12号, pp. 11288-11292, 20230316
- Glassy atomic vibrations and blurry electronic structures created by local structural disorders in high-entropy metal telluride superconductors, Mater. Today Phys., 32巻, 101019号, 202303
- Thermoelectric Properties of Zintl Arsenide EuCuAs, J. Electron. Mater., 52巻, pp. 3121-3131, 20230217
- Hydrogen absorption reactions of a hydrogen storage alloy LaNi5 under high pressure, Molucules, 28巻, 3号, pp. 1256, 20230127
- Estimation of Grüneisen Parameter of Layered Superconductor LaO0.5F0.5BiS2−xSex (x = 0.2, 0.4, 0.6, 0.8, 1.0), J. Phys. Soc. J., 92巻, 014703号, 20221221
- Crystal and electronic structures of BiS2-based compounds Sr0.5X0.5FBiS2 (X = rare earth) under pressure: Correlation with the change in the superconductivity from unconventional to conventional, Phys. Rev. B, 106巻, 205122号, 20221114
- Tuning of upper critical field in a vanadium-based A15 superconductor by the compositionally-complex-alloy concept, Journal of Materials Science, 57巻, pp. 15990-15998, 20220822
- Lattice Anharmonicity in BiS2-Based Layered Superconductor RE(O, F)BiS2 (RE = La, Ce, Pr, Nd), J. Phys. Soc. Jpn, 91巻, 074706号, 20220609
- Estimation of the Gruneisen Parameter of High-Entropy-Alloy-Type Functional Materials: The Cases of REO0.7F0.3BiS2 and MTe, Condens. Matter, 7巻, 2号, pp. 34, 20220418
- Robustness of superconductivity to external pressure in high-entropy-alloy-type metal telluride AgInSnPbBiTe5, Sci. Rep., 12巻, 7789号, 20220512
- Synthesis and Characterization of High-Entropy-Alloy-Type Layered Telluride MBi2Te4 (M = Ag, In, Sn, Pb, Bi), Materials, 15巻, 7号, pp. 2614, 20220401
- Bipolar doping and thermoelectric properties of Zintl arsenide Eu5In2As6, ournal of Materials Chemistry A, 9巻, pp. 26362-26370, 20211122
- ★, Size effect of guest cation on the AlO4 framework in aluminate sodalite-type oxides M8[Al12O24](SO4)2 (M = Sr2+ and Ca2+) in the I"4" ̅3m phase, Acta Cystallographica Section B, 77巻, pp. 186-192, 20210317
- Structural transition with a sharp change in the electrical resistivity and spin−orbit mott insulating state in a rhenium oxide, Sr3Re2O9, Inorganic Chemistry, 60巻, pp. 507-514, 20210401
- Electric-field-induced structural changes for cubic system of lead-free and lead-based perovskite-type oxides, Japanese Journal of Applied Physics, 59巻, SPPA05号, 20200805
- Piezoelectricity in perovskite-type pseudo-cubic ferroelectrics by partial ordering of off-centered cations, Communications Materials, 1巻, 71号, 20201006
- Ferroelectricity of Dion-Jacobsen layered perovskites CsNdNb2O7 and RbNdNb2O7, Jpn. J. Appl. Phys., 59巻, SPPC04号, 20200827
- Rotational intersite displacement of disordered lead atoms in a relaxor ferroelectric during piezoelectric lattice straining and ferroelectric domain switching, Physical Review B, 101巻, 064104号, 20200218
- Antiferroelectric to antiferroelectric-relaxor phase transition in calcium strontium sulfoaluminate, Inorganic Chemistry, 58巻, pp. 15410-15416, 20191106
- Structural fluctuation of Pb(Mg1/3Nb2/3)O3 in the cubic phase, Japanese Journal of Applied Physics, 58巻, SL号, pp. SLLA06, 20190823
- Time-resolved structure analysis of piezoelectric crystals by X-ray diffraction under alternating electric field, Japanese Journal of Applied Physics, 57巻, 11S号, pp. 11UB06, 20180903
- Electric field induced lattice strain in pseudocubic Bi(Mg1/2Ti1/2)O3-modified BaTiO3-BiFeO3 piezoelectric ceramics, Applied Physics Letters, 108巻, 172903号, 20160427
- Two competing soft modes and an unusual phase transition in the stuffed tridymite-type oxide BaAl2O4, Physical Review B, 93巻, 134108号, 20160418
招待講演、口頭・ポスター発表等
- Synthesis of Al−Ru alloy hydride under GPa-level pressure, Yuki, Nakahira, Toyoto Sato, Saya Ajito, Reina Utsumi, Hiroyuki Saitoh, Tetsu Watanuki, Eiji Akiyama, The 9th International Symposium on Fuels and Energy (ISFE2025), 2025年06月30日, 招待, 英語, ISFE Organizing Committee, Advanced Core for Energetics, Hiroshima University (HU-ACE), Higashihiroshima, Hiroshima, Japan
外部資金
競争的資金等の採択状況
- 若手研究, アルミニウム-鉄水素化物の水素吸蔵放出性能向上に向けた構造ユニットのサイズ制, 2024年04月01日, 2026年03月31日