論文リスト

※ここでは出版年ではなく、成果創出年度ごとに論文をリストアップしています。

2021 / 2020 / 2019 / 2018 / 2017 / 2016 / 2015 / 2014 / 2013 / 2012

2020年度

  1. Preparation of Sm−Fe−N bulk magnets with high maximum energy products
    R. Matsunami, M. Matsuura, N. Tezuka, S. Sugimoto, Journal of the Magnetics Society of Japan 44, 64-69 (2020).

  2. Cerium as a possible stabilizer of ThMn12-type iron-based compounds: A first-principles study
    Yosuke Harashima, Taro Fukazawa, Takashi Miyake, Scripta Materialia 179, 12-15 (2020).

  3. Magnetic field threshold for nucleation and depinning of domain walls in the neodymium permanent magnet Ne2Fe14B
    I.E. Uysal , M. Nishino, S. Miyashita, Physical Review B 101, 094421 (2020).

  4. Dynamical phase transition in Floquet optical bistable systems: An approach from finite-size quantum systems
    T. Shirai, S. Todo, S. Miyashita, Physical Review A 101, 013809 (2020).

  5. Relationship between magnetic nucleation and the microstructure of a hot-deformed permanent magnet: micromagnetic simulation
    Hiroshi Tsukahara, Kaoru Iwano, Tadashi Ishikawa, Chiharu Mitsumata & Kanta Ono, NPG Asia Materials 12, 29 (2020).

  6. Magnetic Microscopy Using a Circularly-Polarized Hard-X-ray Nanoprobe at SPring-8
    M. Suzuki, H. Yumoto, T. Koyama, H. Yamazaki, T. Takeuchi, N. Kawamura, M. Mizumaki, H. Osawa, Y. Kondo, J. Ariake, A. Yasui, Y. Kotani, N. Tsuji, T. Nakamura, S. Hirosawa, K. T. Yamada, S. Kim, K.-J. Kim, M. Ishibashi, T. Ono, H. Ohashi, Synchrotron Radiation News 33, 4 (2020).

  7. Intrinsic magnetic properties of (Sm,Gd)Fe12-based compounds with minimized addition of Ti
    P. Tozman, H. Sepehri-Amin, T. Ohkubo, K. Hono, Journal of Alloys and Compounds 855, 157491 (2021).

  8. Improved coercivity and squareness in bulk hot-deformed Nd–Fe–B magnets by two-step eutectic grain boundary diffusion process
    Xin Tang, J. Li, H. Sepehri-Amin, T. Ohkubo, K. Hioki, A. Hattori, K. Hono, Acta Materialia 203, 116479 (2021).

  9. On the temperature-dependent coercivities of anisotropic Nd-Fe-B magnet
    J. Li, Xin Tang, H. Sepehri-Amin, T. Ohkubo, K. Hioki, A. Hattori, K. Hono, Acta Materialia 199, 288-296 (2020).

  10. 新規ThMn12系希土類磁石の現状と展望
    小川大介, 平山悠介, 高橋有紀子, 嶋敏之, 日本磁気学会誌「まぐね」16, 51-59 (2021).

  11. Influence of local lattice structure on magnetic properties in Y2Fe17 compounds
    Jun-ichiro Inoue, Takuya Yoshioka, Hiroki Tsuchiura, Physical Review Materials 4,114404 (2020).

  12. Statistical and analytical approaches to finite-temperature magnetic properties of the compound SmFe12
    Takuya Yoshioka, Hiroki Tsuchiura, Pavel Novák, Physical Review B 102, 184410 (2020).

  13. Finite-temperature magnetic properties of Sm2Fe17Nx using an ab initio effective spin model
    Shogo Yamashita, Daiki Suzuki, Takuya Yoshioka, Hiroki Tsuchiura, Pavel Novák, Physical Review B 102, 214439 (2020).

  14. Reduction of Nd moments and local magnetic anisotropy in Nd2Fe14B single crystals
    H. Sato, Y. Kudo, T. Yoshioka, H. Tsuchiura, Y. Mizuno, K. Koike, K. Takahashi, H. Kato, AIP Advances 11, 025224 (2021).

  15. 高保磁力Sm-Fe-Ti系粉末の作製
    江上 章裕, Zhao Luo, 松浦 昌志, 手束 展規, 杉本 諭, 電気学会マグネティックス研究会資料, MAG-20-062～063・065～072, MAG-20-065, 11-16 (2020).

  16. Microstructural changes in high-coercivity Zn-bonded Sm-Fe-N magnets
    Masashi Matsuura, Kuniko Yamamoto, Nobuki Tezuka, Satoshi Sugimoto, Journal of Magnetism and Magnetic Materials 510, 166943 (2020?).

  17. Preparation of Highly Heat Resistant Sm-Fe-N Magnetic Powder by Reduction Diffusion Process
    Ruka Matsuda, Masashi Matsuura, Nobuki Tezuka, Satoshi Sugimoto, Takashi Ishikawa, Yukinobu Yoneyama, Materials Transactions 61, 2201-2207 (2020).

  18. W, La添加Sm2Fe17N3粉末の磁気特性と微細組織
    松浦昌志, 鈴木志歩, 山本邦子, 手束展規, 杉本諭, 粉体および粉末冶金 67, 682-687 (2020).

  19. Direct detection and stochastic analysis on thermally activated domain-wall depinning events in micropatterned Nd-Fe-B hot-deformed magnets
    T. Yomogita, S. Okamoto, N. Kikuchi, O. Kitakami, H. Sepehri-Amin, Y.K. Takahashi, T. Ohkubo, K. Hono, K. Hioki, A. Hattori, Acta Materialia 201, 7-13 (2020).

  20. 永久磁石材料における保磁力解析と磁化反転機構
    岡本聡, 粉体および粉末冶金 67, 666-674 (2020).

  21. 永久磁石材料の熱活性磁化反転解析
    岡本聡, 日本磁気学会誌「まぐね」16, (2021).

  22. Experimental approaches for micromagnetic coercivity analysis of advanced permanent magnet materials
    S. Okamoto, Science and Technology of Advanced Materials (2021).

  23. First-principles-only CALPHAD phase diagram of the solid aluminium-nickel (Al-Ni) system
    Theresa Davey, Nguyen-Dung Tran, Arkapol Saengdeejing, Ying Chen, Calphad 71, 102008 (2020).

  24. Monoclinic YFe12 phases predicted from first principles
    Takahiro Ishikawa, Taro Fukazawa, Takashi Miyake, Physical Review Materials 4, 104408 (2020).

  25. Spin-wave dispersion and exchange stiffness in Nd2Fe14B and RFe11Ti (R=Y, Nd, Sm) from first-principles calculations
    Taro Fukazawa, Hisazumi Akai, Yosuke Harashima, Takashi Miyake, Physical Review B 103, 024418 (2021).

  26. Calculating Curie temperatures for rare-earth permanent magnets: Ab initio inspec- tion of localized magnetic moments in d-electron ferromagnetism
    M. Matsumoto, H. Akai, Physical Review B 101, 144402 (2020).

  27. Element- and orbital-selective magnetic coherent rotation at the first-order phase transition of a hard uniaxial ferrimagnet
    Sh. Yamamoto, D.I. Gorbunov, H. Akai, H. Yasumura, Y. Kotani, T. Nakamura, T. Kato, N.V. Mushnikov, A.V. Andreev, H. Nojiri, J. Wosnitza, Physical Review B 101, 174430 (2020).

  28. First-principles calculations of finite temperature electronic structures and transport properties of Heusler alloy Co2MnSi
    H. Shinya, S. Kou, T. Fukushima, A. Masago, K. Sato, H. Katayama-Yoshida, H. Akai, Applied Physics Letters 117, 042402 (2020).

  29. Magnetic Friedel Oscillation at Fe(001) Surface: Direct Observation by Atomic- Layer-Resolved Synchrotron Radiation 57Fe Mssbauer Spectroscopy
    T. Mitsui, S. Sakai, S. Li, T. Ueno, T. Watanuki, Y. Kobayashi, R. Masuda, M. Seto, H. Akai, Physical Review Letters 125, 236806 (2020).

  30. Data assimilation method for experimental and first-principles data: Finite-temperature magnetization of (Nd, Pr, La, Ce)2(Fe, Co, Ni)14B
    Y. Harashima, K. Tamai, S. Doi, M. Matsumoto, H. Akai, N. Kawashima, M. Itho, N. Sakuma, K. Kato, T. Shoji, T. Miyake, Physical Review Materials 5, 013806 (2021).

  31. Role of atomic-scale thermal fluctuations in the coercivity
    Y. Toga, S. Miyashita, A. Sakuma, T. Miyake, npj Computational Materials 6, 67 (2020).

  32. Dynamical aspects of magnetization reversal in the neodymium permanent magnet by a stochastic Landau-Lifshitz-Gilbert simulation at finite temperature: Real-time dynamics and quantitative estimation of coercive force
    M. Nishino, I. E. Uysal, T. Hinokihara, S. Miyashita, Physical Review B 102, 020413(R) (2020).

  33. Magnetic-Pole Flip by Millimeter Wave
    Shin-ichi Ohkoshi, Marie Yoshikiyo, Kenta Imoto, Kosuke Nakagawa, Asuka Namai, Hiroko Tokoro, Yuji Yahagi, Kyohei Takeuchi, Fangda Jia, Seiji Miyashita, Makoto Nakajima, Hongsong Qiu, Kosaku Kato, Takehiro Yamaoka, Masashi Shirata, Kenji Naoi, Koichi Yagishita, Hiroaki Doshita, Advanced Materials 32, 2004897 (2020).

  34. Effect of the surface magnetic anisotropy of neodymium atoms on the coercivity in neodymium permanent magnets
    Masamichi Nishino, Ismail Enes Uysal, Seiji Miyashita, Physical Review B 103, 014418 (2021).

  35. Finite-temperature dynamical and static properties of Nd magnets studied by an atomistic modeling
    Masamichi Nishino, Ismail Enes Uysal, Taichi Hinokihara, Seiji Miyashita, AIP Advances 11, 025102 (2021).

  36. Systematic survey of magnetic configurations in multilayer ferromagnet system with dipole-dipole interaction
    Taichi Hinokihara, Seiji Miyashita, Physical Review B 103, 054421 (2021).

  37. 1次相転移のダイナミクス　ー準安定状態の緩和ー
    宮下精二, 固体物理 55 (2020).

  38. 自由エネルギーからみた希土類磁石の保磁力と核生成
    栂裕太, 日本磁気学会誌「まぐね」16, 27 (2021).

  39. Synthesis of Mesoscopic Particles of Multi-Component Rare Earth Permanent Magnet compounds
    T. Thuy Trinh, Jungryang Kim, Ryota Sato, Kenshi Matsumoto, Toshiharu Teranishi, Science and Technology of Advanced Materials 22, 37-54 (2021).

  40. Symmetry prediction and knowledge discovery from X-ray diffraction patterns using an interpretable machine learning approach
    Yuta Suzuki, Hideitsu Hino, Takafumi Hawai, Kotaro Saito, Masato Kotsugi, Kanta Ono, Scientific Reports 10, 21790 (2020).

  41. (Sm,Zr)Fe12-xMx(M=Zr,Ti,Co) for Permanent-Magnet Applications: Ab Initio Material Design Integrated with Experimental Characterization
    Munehisa Matsumoto, Takafumi Hawai, Kanta Ono, Physical Review Applied 13, 064028 (2020).

  42. Automated crystal structure analysis based on blackbox optimization
    Yoshihiko Ozaki, Yuta Suzuki, Takafumi Hawai, Kotaro Saito, Masaki Onishi, Kanta Ono, npj Computational Materials 6, 75 (2020).

  43. Effects of texture on lattice constants of Nd2Fe14B and their relationship with internal stress in Nd-Fe-B permanent magnets
    Shintaro Kobayashi, Andrés Martín-Cid, Kentaro Toyoki, Hiroyuki Okazaki, Satoshi Hirosawa, Tetsuya Nakamura, Physical Review Materials 4, 094405 (2020).

  44. Relationship between the microstructure, local magnetism and coercivity in Ga-containing Nd-Fe-B sintered magnets
    David Billington, Hiroyuki Okazaki, Kentaro Toyoki, YoshinoriKotani, Yukio Takada, Takashi Sato, Yuji Kaneko, Akira Kato, Taisuke T. Sasaki, Tadakatsu Ohkubo, Kazuhiro Hono, Tetsuya Nakamura, Acta Materialia 205, 116517 (2021).

  45. Computational thermodynamics and microstructure simulations to understand the role of grain boundary phase in Nd-Fe-B hard magnets
    T. Koyama, Y. Tsukada, T. Abe, Science and Technology of Advanced Materials 22, 1-13 (2021).

  46. Boron cage effects on Nd–Fe–B crystal structure's stability
    Duong-Nguyen Nguyen, Duc-Anh Dao, Takashi Miyake, Hieu-Chi Dam, Journal of Chemical Physics 153,114111 (2020).

  47. Explainable machine learning for materials discovery: predicting the potentially formable Nd–Fe–B crystal structures and extracting the structure–stability relationship
    Tien-Lam Pham, Duong-Nguyen Nguyen, Minh-Quyet Ha, Hiori Kino, Takashi Miyake, Hieu-Chi Dam, IUCrJ, International Union of Crystallography 7, 1036-1047 (2020).

  48. Maximum Separated Distribution with High Interpretability Found Using an Exhaustive Search Method: Application to Magnetocrystalline Anisotropy of Fe/Co Films
    Kino Hiori, Nakamura Kohji, Hukushima Koji, Miyake Takashi, Hieu-Chi Dam, Journal of the Physical Society of Japan 89, 064802 (2020).

  49. Solvent screening for efficient chemical exfoliation of graphite
    Nhan Nu Thanh Ton, Minh-Quyet Ha, Takuma Ikenaga, Ashutosh Thakur, Hieu-Chi Dam, Toshiaki Taniike, 2D Materials 8, 015019 (2020).

  50. First-principles determination of intergranular atomic arrangements and magnetic properties in rare-earth permanent magnets
    Y. Gohda, Science and Technology of Advanced Materials 22, 113 (2021).

  51. First-Principles Study of Magnetism-Dependent Phonons Governed by Exchange Ligand Field
    T. Tanaka, Y. Gohda, Journal of the Physical Society of Japan 89, 093705 (2020).

  52. Prediction of the Curie temperature considering the dependence of the phonon free energy on magnetic states
    T. Tanaka, Y. Gohda, npj Computational Materials 6, 184 (2020).

  53. First-principles study on magnetism of a crystalline grain-boundary phase in Nd–Fe–B permanent magnets
    Yuta Ainai, Sonju Kou, Yasutomi Tatetsu, Yoshihiro Gohda, Japanese Journal of Applied Physics 59, 060904 (2020).

  54. Achievement of High Coercivity in Anisotropic Sm(Fe0.8Co0.2)12 Magnet Film by Boron Doping
    H. Sepehri-Amin, Y. Tamazawa, M. Kambayashi, G. Saito, Y. K. Takahashi, D. Ogawa, T. Ohkubo, S. Hirosawa, M. Doi, T. Shima, K. Hono, Advanced Materials 194, 337-342. (2020).

  55. Structure and magnetic properties of Sm(Fe0.8Co0.2)12 thin films by adding light elements
    M. Kambayashi, H. Kato, Y. Mori, M. Doi, T. Shima, Journal of the Magnetics Society of Japan 45, 66-69 (2021).

  56. ウェーブレット隠れマルコフモデルを用いた電子線ホログラムの雑音除去
    御堂義博, 中前幸治, 品田博之, 村上恭和, 顕微鏡 55, 53-59 (2020).

  57. Magnetic Flux Density Measurements from Narrow Grain Boundaries Produced in Sintered Permanent Magnets
    Youngji Cho, Sujin Lee, Yasukazu Murakami, Microscopy 70, 17-23 (2021).

  58. Deep Convolutional Neural Network-based Method for Improvement of Signal-to-Noise Ratio in Electron Holography
    Yusuke Asari, Shohei Terada, Toshiaki Tanigaki, Yoshio Takahashi, Hiroyuki Shinada, Hiroshi. Nakajima, Kiyoshi Kanie, Yasukazu Murakami, Microscopy 70, 442-449 (2021).

  59. Calorimetric Study of Nd2Fe14B: Heat Capacity, Standard Gibbs Energy of Formation and Magnetic Entropy
    M. Morishita, T. Abe, A. Nozaki, I. Ohnuma, K. Kamon, Thermochimica Acta 690, 178672 (2020).

  60. Phase relations and extrinsic magnetic properties of Sm–(Fe,Co)–Ti–(Ga)-based alloys for ThMn12-type permanent magnets
    A.K. Srinithi, H. Sepehri-Amin, Xin Tang, P. Tozman, J. Li, J. Zhang, S. Kobayashi, T. Ohkubo, T. Nakamura, K. Hono, Journal of Magnetism and Magnetic Materials 529, 167866 (2021).

  61. SmFe12-based hard magnetic alloys prepared by reduction-diffusion process
    I. Dirba, H. Sepehri-Amin, Ik-Jin Choi, Jin-Hyeok Choi, Hyoun-Soo Uh, Tae-Hoon Kim, Soon-Jae Kwon, T. Ohkubo, K. Hono, Journal of Alloys and Compounds 861, 157993 (2021).

  62. (Pr0.75Ce0.25)-Fe-B hot-deformed magnets for cryogenic applications
    Xin Tang, Jiawei Lai, H. Sepehri-Amin, T. Ohkubo, K. Hono, Scripta Materialia 194, 113648 (2021).

  63. Experimental approaches for micromagnetic coercivity analysis of advanced permanent magnet materials
    Satoshi Okamoto, Science and Technology of Advanced Materials 22, 124-134 (2021).

  64. Spin-wave dispersion and exchange stiffness in N2Fe14B and RFe11Ti (R=Y, Nd, Sm) from first-principles calculations
    Y. Harashima, K. Tamai, S. Doi, M. Matsumoto, H. Akai, N. Kawashima, M. Itho, N. Sakuma, K. Kato, T. Shoji, and T. Miyake, Physical Review B 103, 024418 (2021).

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