研究活動

原著論文 2015年

2015.12.24

First-principles study on interface magnetic structure in Nd2Fe14B/(Fe,Co) exchange springmagnets

http://arxiv.org/abs/1511.06804v2 (DOI: 10.1103/PhysRevB.93.014408), Nobuyuki Umetsu, Yuta Toga, Akimassa Sakuma,

2015.12.21

Temperature-dependent magnetization reversal process and coercivity mechanism in Nd-Fe-B hot-deformed magnets

118, 223903 (2015); (doi: 10.1063/1.4937274), Satoshi Okamoto, Ryota Goto, Nobuaki Kikuchi, Osamu Kitakami, Takahiro Akiya, Hossein Sepehri-Amin, Tadakatsu Ohkubo, Kazuhiro Hono, Keiko Hioki, Atsushi Hattori,

2015.12.21

Computation of ESR spectra from the time evolution of the magnetization: Comparison of autocorrelation and Wiener-Khinchin-relation-based methods

doi:10.1103/PhysRevB.92.214431, Hiroki Ikeuchi, Hans De Raedt, Sylvain Bertaina, and Seiji Miyashita,

2015.12.21

Temperature-dependent magnetization reversal process and coercivity mechanism in Nd-Fe-B hot-deformed magnets

118, 223903 (2015); (doi: 10.1063/1.4937274), Satoshi Okamoto, Ryota Goto, Nobuaki Kikuchi, Osamu Kitakami, Takahiro Akiya, Hossein Sepehri-Amin, Tadakatsu Ohkubo, Kazuhiro Hono, Keiko Hioki, Atsushi Hattori,

2015.11.17

Near-field correction in the first-principles calculations by the exact two-center expansion for the inverse of the distance

Volume 27, Number 48 (DOI: http://dx.doi.org/10.1088/0953-8984/27/48/485201), M Ogura, C Zecha,M Offenberger, H Ebert ,Akai

2015.09.29

Strain measurements from Nd2Fe14B grains in sintered magnets using artificial moiré fringes

Acta Materialia (Volume 101, December 2015, Pages 101–106), http://dx.doi.org/10.1016/j.actamat.2015.08.058, Murakami,T.T. Sasakic,T. Ohkubo,Hono

2015.09.07

Simple Surfactant Concentration-Dependent Shape Control of Polyhedral Fe3O4 Nanoparticles and Their Magnetic Properties

ChemPhysChem (DOI: 10.1002/cphc.201500605), Wanyin Ge, Ryota Sato, Hsin-Lun Wu, and Toshiharu Teranishi

2015.09.04

Microstructure and temperature dependent of coercivity of hot-deformed Nd–Fe–B magnets diffusion processed with Pr–Cu alloy

Acta Materialia (Volume 99, 15 October 2015, Pages 297–306), H. Sepehri-Amin, Lihua Liu, T. Ohkubo, M. Yano, T. Shoji, A. Kato, T. Schrefl, K. Hono

2015.06.23

Role of N in the Permanent Magnet Material Sm2Fe17Nx

Journal of the Physical Society of Japan (http://journals.jps.jp/doi/10.7566/JPSJ.84.084702), Masako Ogura, Ayaka Mashiyama, and Hisazumi Akai

2015.06.23

Rare-Earth Lean Hard Magnet Compound NdFe12 N

Springer US (http://dx.doi.org/10.1007/s11837-015-1421-9), Y. Hirayama, T. Miyake, K. Hono

2015.05.01

2015.04.08

Temperature dependence of post-sintered annealing on magnetic properties of intergranular phase in Nd-Fe-B permanent magnet

Journal of Applied Physics ( Volume: 117, page:17B313, year: 2015(DOI: 10.1063/1.4916938)), Akira Yasui , Tetsuya Nakamura , Yoshinori Kotani , Tomoki Fukagawa , Takeshi Nishiuchi, Satoshi Hirosawa

2015.03.31

Ab initio Disordered Local Moment Approach for a Doped Rare-Earth Magnet

JPS Conference Proceedings (http://arxiv.org/abs/1411.3451v1), Munehisa Matsumoto, Rudra Banerjee, Julie B. Staunton

2015.03.31

First-Principles Study of Structural and Magnetic Properties of R(Fe,Ti)12 and R(Fe,Ti)12N(R=Nd,Sm, Y)

JPS Conference Proceedings ( http://dx.doi.org/10.7566/JPSCP.5.011021), Yosuke Harashima, Kiyoyuki Terakura,Hiori Kino, Shoji Ishibashi,Takashi Miyake

2015.02.15

Mechanism of the texture development in hydrogen-disproportionation–desorption-recombination (HDDR) processed Nd–Fe–B powders

Acta Materialia (Vol85, 15 February 2015, P42–52), H. Sepehri-Amin, T. Ohkubo, K. Hono, K. Gȕth and O. Gutfleisch

2015.02.01

Effect of carbon on the coercivity and microstructure in fine-grained Nd–Fe–B sintered magnet

Acta Materialia (Volume 84, 1 February 2015, Pages 506–514), T.T. Sasaki ,T. Ohkubo,Y. Une,H. Kubo, M. Sagawa,K. Hono

2015.02.01

Hard magnetic properties of spacer-layer-tuned NdFeB/Ta/Fe nanocomposite films

Acta Materialia (Vol84, 1 February 2015, P.405–412), W.B. Cui, H. Sepehri-Amin, Y.K. Takahashi, K. Hono

2015.01.15

NdFe12Nx hard-magnetic compound with high magnetization and anisotropy field

Scripta Materialia ( vol 95 Jan.2015 P70–72 (doi:10.1016/j.scriptamat.2014.10.016)), Y. Hirayama, Y.K. Takahashi, S.Hirosawa,K.Hono

2015.01.01

Grain size dependence of coercivity of hot-deformed Nd–Fe–B anisotropic magnets

Acta Materialia (Vol.82, 1 January 2015, P336–343), J. Liu, H. Sepehri-Amin, T. Ohkubo, K. Hioki, A. Hattori, T. Schrefl, K. Hono


研究活動

元素戦略拠点

触媒・電池元素戦略拠点
触媒・電池元素戦略研究拠点 (京都大学)
東工大元素戦略拠点
東工大元素戦略拠点 (東京工業大学)
構造材料元素戦略研究拠点
構造材料元素戦略研究拠点 (京都大学)
高効率モーター用磁性材料技術研究組合
高効率モーター用 磁性材料技術研究組合