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早稲田大学 理工学術院 材料科学専攻 平田研究室


早稲田大学 理工学術院 基幹理工学研究科 材料科学専攻

〒169-8555 東京都新宿区大久保3-4-1

研究業績

2024年
論文
  • S. Y. Zha and A. Hirata
    Dynamic behavior of atomic clusters during structural relaxation in metallic glasses
    J. Non-cryst. Solids 657, 123509 (2025) [LINK]
  • A. Hirata, S. Sato, M. Shiga, Y. Onodera, K. Kimoto and S. Kohara
    Direct observation of the atomic density fluctuation originating from the first sharp diffraction peak in SiO2 glass
    NPG Asia Mater. 16, 25 (2024). [LINK]
    [プレスリリース], [Press release]
    科学新聞（2024年6月7日）、Webページプレス紹介（毎日新聞、朝日新聞、北海道新聞、河北新報、秋田魁新報、福島民友新聞、上毛新聞、千葉日報、新潟日報、福井新聞、沖縄タイムス、など）に掲載。
  • A. Hirata, S. Tokuda, C. Nakajima, and S. Y. Zha
    Local structural modelling and local pair distribution function analysis for Zr-Pt metallic glass
    Sci. Rep. 14, 13322 (2024). [LINK]
    本論文は材研「環境整合材料基盤技術共同研究拠点」の成果です。
  • S. Kudo and A. Hirata
    Atomic Environment of Pt in Quasicrystal-Forming Zr70Cu29Pt1 Metallic Glass
    Mater. Trans. 65, 723-727 (2024). [LINK]
  • S. Kohara, S. Sato, M. Shiga, Y. Onodera, H. Masai, T. Wakihara, A. Masuno, A. Hirata, N. Kitamura, Y. Idemoto, K. Kimura, K. Hayashi
    Unravelling the density-driven modification of the topology generated by the interconnection of SiO4 tetrahedra in silica polymorphs
    J. Ceram. Soc. Japan 132, 653-662 (2024). [LINK]
  • 荻谷 泰斗, 古根村 亮, 山崎 陽菜, 佐藤 圭浩, 気谷 卓, 川路 均, 平田 秋彦, 宗像 文男
    セラミックフィラー凝集体がポリフッ化ビニリデン複合材料の熱伝導性および誘電特性に与える影響
    J. Soc. Inorg. Mater. Jpn. 31, 183 (2024). [LINK]
    本論文は材研「環境整合材料基盤技術共同研究拠点」の成果です。
  • 平田 秋彦
    オングストロームビーム電子回折法によるシリカガラスにおける密度ゆらぎの直接観察
    NEW GLASS 39, 18-21 (2024). [LINK]
  • S. Y. Zha and A. Hirata
    Local Structural Changes During Glass Formation in Zr80Pt20 Alloys
    AIP Conference Proceedings (in press) [LINK]

2023年
論文
  • M. Shiga, A. Hirata, Y. Onodera, and H. Masai
    Ring-originated anisotropy of local structural ordering in amorphous and crystalline silicon dioxide
    Commun. Mater. 4, 91 (2023). [LINK]
    [プレスリリース], [Press release]
  • M. Shiinoki, A. Hirata, and S. Suzuki
    Molecular Dynamics Simulation of Diffusion Behavior in Liquid Sn and Pb
    Metall. Mater. Trans. B, https://doi.org/10.1007/s11663-023-02957-4 (2023). [LINK]
  • H. Naganuma, M. Uemoto, H. Adachi, H. Shinya, I. Mochizuki, M. Kobayashi, A. Hirata, B. Dlubak, T. Ono, P. Seneor, J. Robertson, K. Amemiya
    Twist pz Orbital and Spin Moment of the Wavy-Graphene/L10-FePd Moire Interface
    J. Phys. Chem. C 127, 11481 (2023). [LINK]

書籍
  • A. Hirata
    Angstrom-Beam Electron Diffraction Technique for Amorphous Materials
    In: K. Hayashi (eds) Hyperordered Structures in Materials. The Materials Research Society Series. Springer, Singapore（2024). [LINK]


2022年
論文
  • H. Naganuma, M. Nishijima, H. Adachi, M. Uemoto, H. Shinya, S. Yasui, H. Morioka, A. Hirata, F. Godel, M.-B. Martin, B. Dlubak, P. Seneor, and K. Amemiya
    Unveiling a Chemisorbed Crystallographically Heterogeneous Graphene/L10-FePd Interface with a Robust and Perpendicular Orbital Moment
    ACS Nano 16, 4139 (2022). [LINK]
    [プレスリリース]
  • M. Shiga, A. Hirata, Y. Onodera, and H. Masai
    Ring-originated anisotropy of local structure ordering in amorphous and crystalline silicon dioxide
    arXiv preprint arXiv:2209.12116 (2022). [LINK]
  • A. Hirata
    Virtual Angstrom-Beam Electron Diffraction Analysis for Zr80Pt20 Metallic Glasses
    Quantum Beam Sci. 6, 28 (2022). [LINK]
  • 小野寺 陽平，平田 秋彦
    量子ビームの相補利用によるガラス・アモルファス材料の構造物性研究
    放射光（Journal of JSSRR）35, 274-284（2022). [LINK]


2021年
論文
  • Y. Wen, H. Abe, A. Hirata, and A. Hashimoto
    Correlation between the Charge-Transport Properties and the 3D-Phase Connectivities in Patterned Pt/CeO2 Nanostructured Composites: Implications for Solid-Oxide Fuel Cells
    ACS Appl. Nano Mater. 4, 13602 (2021). [LINK]
  • S. Kohara, M. Shiga, Y. Onodera, H. Masai, A. Hirata, M. Murakami, T. Morishita, K. Kimura, K. Hayashi
    Relationship between diffraction peak, network topology, and amorphous-forming ability in silicon and silica
    Sci. Rep. 11 22180 (2021). [LINK]
  • H. Nakajima, H. Tsukasaki, J. Ding, T. Kimura, T. Nakano, A. Nasu, A. Hirata, A. Sakuda, A. Hayashi, S. Mori
    Crystallization behaviors in superionic conductor Na3PS4
    J. Power Sources 511, 230444 (2021). [LINK]
    本論文は材研「環境整合材料基盤技術共同研究拠点」の成果です。
  • Y. Wen, A. Hashimoto, A.S.B.M. Najib, A. Hirata, and H. Abe
    Topological trends in ionic transport through metal-oxide composites
    Appl. Phys. Lett. 118, 054102 (2021). [LINK]
  • A. Hirata
    Local structure analysis of amorphous materials by angstrom-beam electron diffraction
    Microscopy 70, 171 (2021). [LINK]


2020年
論文
  • Y. Onodera, S. Kohara, P. S. Salmon, A. Hirata et al. (29 authors)
    Structure and properties of densified silica glass: characterizing the order within disorder
    NPG Asia Mater. 12, 85 (2020). [LINK]
    [プレスリリース]
  • A. Hirata, T. Wada, I. Obayashi, and Y. Hiraoka
    Structural changes during glass formation extracted by computational homology with machine learning
    Commun. Mater. 1, 98 (2020). [LINK]
  • A. K. A. Lu, K. Nishio, T. Morishita, K. Ohara, Z. Lu, and A. Hirata
    Frank-Kasper Z16 local structures in Cu-Zr metallic glasses
    Phys. Rev. B 102, 184201 (2020). [LINK]
  • Y.Q. Zeng, J.S. Yu, Y. Tian, A. Hirata, T. Fujita, X.H. Zhang, N. Nishiyama, H. Kato, J.Q. Jiang, A. Inoue, and M.W. Chen
    Improving glass forming ability of off-eutectic metallic glass formers by manipulating primary crystallization reactions
    Acta Mater. 200, 710-719 (2020). [LINK]
  • P. Liu, Q. Chen, Y. Ito, J. H. Han, S. F. Chu, X. D. Wang, K. M. Reddy, S. X. Song, A. Hirata, M. W. Chen
    Dealloying Kinetics of AgAu Nanoparticles by In Situ Liquid-Cell Scanning Transmission Electron Microscopy
    Nono Lett. 20, 1944-1951 (2020).

書籍
  • 伊藤 公久、平田 秋彦、山本 知之
    基礎材料科学
    コロナ社（2020). [LINK]

2019年
論文
  • Y. Onodera, S. Kohara, S. Tahara, A. Masuno, H. Inoue, M. Shiga, A. Hirata, K. Tsuchiya, Y. Hiraoka, I. Obayashi, K. Ohara, A. Mizuno, O. Sakata
    Understanding diffraction patterns of glassy, liquid and amorphous materials via persistent homology analyses
    J. Ceram Soc. Japan 127, 853-863 (2019).
  • Takumi Hiroyama, Akihiko Hirata, Yasuhide Inoue, Yoichi Horibe, and Yasumasa Koyama
    Effect of Ca Doping on Modulated Structures in Multiferroic Bi1-xCaxFeO3
    J. Phys. Soc. Jpn. 88, 054601 (2019).
    本論文は材研「環境整合材料基盤技術共同研究拠点」の成果です。
  • M. Murakami, S. Kohara, N. Kitamura, J. Akola, H. Inoue, A. Hirata, Y. Hiraoka, Y. Onodera, I. Obayashi, J. Kalikka, N. Hirao, T. Musso, A. S. Foster, Y. Idemoto, O. Sakata and Y. Ohishi
    Ultrahigh-pressure form of SiO2 glass with dense pyrite-type crystalline homology
    Phys. Rev. B 99, 045153 (2019) .
  • K.M. Ji, J.H. Han, A. Hirata, T. Fujita, Y.H. Shen, S.C. Ning, P. Liu, H. Kashani, Y. Tian, Y. Ito, J. Fujita and Y. Oyama
    Lithium intercalation into bilayer graphene
    Nature Comm. 10, 275 (2019).
  • M. X. Li, S.F. Zhao, Z. Lu, A. Hirata, P. Wen, H. Y. Bai, M. W. Chen, J. Schroers, Y. H. Liu, W. H. Wang
    High-temperature bulk metallic glasses developed by combinatorial methods
    Nature 569, 99-103 (2019).


2018年
論文
  • F. Zhu, S.X. Song, K.M. Reddy, A. Hirata, and M.W. Chen
    Spatial heterogeneity as the structure feature for structure-property relationship of metallic glasses
    Nature Communications 9, 3965 (2018).
  • M. Okugawa, R. Nakamura, A. Hirata, M. Ishimaru, H. Yasuda and H. Numakura
    Structure of crystallized particles in sputter-deposited amorphous germanium films
    J. Appl. Cryst. 51, 1467 (2018).
  • A. Hirata, T. Ichitsubo, P.F. Guan, T. Fujita, and M.W. Chen
    Distortion of Local Atomic Structures in Amorphous Ge-Sb-Te Phase Change Materials
    Phys. Rev. Lett. 120, 205502 (2018).
  • A. Hirata
    Crystalline Approximant of Amorphous Fe-Si-B Structures
    Mater. Trans. 59, 1047 (2018).
  • J. H. Han, A. Hirata, J. Du, Y. Ito, T. Fujita, S. Kohara, T. Ina, M. W. Chen
    Intercalation pseudocapacitance of amorphous titanium oxide@nanoporous graphene for high-rate and large-capacity energy storage
    Nano Energy. 49, 354 (2018).


2017年
論文
  • F. Zhu, A. Hirata, P. Liu, S. Song, Y. Tian, J. H. Han, T. Fujita, and M. W. Chen
    Correlation between Local Structure Order and Spatial Heterogeneity in a Metallic Glass
    Phys. Rev. Lett. 119 215501 (2017).
  • H. Nishino, T. Fujita, N. T. Cuong, S. Tominaka, M. Miyauchi, S. Iimura, A. Hirata, N. Umezawa, S. Okada, E. Nishibori, A. Fujino, T. Fujimori, S. Ito, J. Nakamura, H. Hosono, and T. Kondo
    Formation and Characterization of Hydrogen Boride Sheets Derived from MgB2 by Cation Exchange
    J. Am. Chem. Soc. 139 13761-13769 (2017).
  • S. Jiang, H. Wang, Y. Wu, X. Liu, H. Chen, M. Yao, B. Gault, D. Ponge, D. Raabe, A. Hirata, M. Chen, Y. Wang, and Z. Lu
    Ultrastrong steel via minimal lattice misfit and high-density nanoprecipitation
    Nature 544 460-464 (2017).


2016年
論文
  • Atomic-scale disproportionation in amorphous silicon monoxide
    A. Hirata, S. Kohara, T. Asada, M. Arao, C. Yogi, H. Imai, Y. W. Tan, T. Fujita, M. W. Chen
    Nature Communications 7, 11591 (2016).
  • Hierarchical structures of amorphous solids characterized by persistent homology
    Y. Hiraoka, T. Nakamura, A. Hirata, E. G. Escolar, K. Matsue, Y. Nishiura
    Proceedings of the National Academy of Sciences 113, 7035 (2016).
  • E. Matsubara, S. Okada, T. Ichitsubo, T. Kawaguchi, A. Hirata, P. F. Guan, K. Tokuda, K. Tanimura, T. Matsunaga, M. W. Chen, and N. Yamada
    Initial Atomic Motion Immediately Following Femtosecond-Laser Excitation in Phase-Change Materials
    Phys. Rev. Lett. 117 135501 (2016).






バナースペース

平田研究室

〒169-8555
東京都新宿区大久保3-4-1
西早稲田キャンパス63号館
4階4-20室（平田研）