研究活動

原著論文 2016年

2016.12.30

First-Principles Study of the Role of Cu in Improving the Coercivity of Nd-Fe-B Permanent Magnets

Yasutomi Tatetsu, Shinji Tsuneyuki, and Yoshihiro Gohda (https://doi.org/10.1103/PhysRevApplied.6.064029),

2016.12.02

Monte Carlo analysis for finite temperature magnetism of Nd2Fe14B permanent magnet

Yuta Toga, Munehisa Matsumoto, Seiji Miyashita, Hisazumi Akai, Shotaro Doi, Takashi Miyake, and Akimasa Sakuma,

2016.11.30

First principles study on stability and magnetism of NdFe11M and NdFe11MN for M=Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zn

Yosuke Harashima, Kiyoyuki Terakura, Hiori Kino, Shoji Ishibashi, and Takashi Miyake (doi.org/10.1063/1.4968798),

2016.10.27

Coercivity enhancement of hot-deformed Nd-Fe-B magnets by the eutectic grain boundary diffusion process using Nd62Dy20Al18 alloy

http://dx.doi.org/10.1016/j.scriptamat.2016.10.020 (Lihua Liua, H. Sepehri-Amin, T. Ohkubo, M. Yano, A. Kato, N. Sakuma, T. Shoji, K. Hono),

2016.10.17

Novel mixture model for the representation of potential energy surfaces

Tien Lam Pham, Hiori Kino, Kiyoyuki Terakura, Takashi Miyake, and Hieu Chi Dam (doi.org/10.1063/1.4964318),

2016.10.01

2016.08.30

Temperature dependence of the threshold magnetic field for nucleation and domain wall propagation in an inhomogeneous structure with grain boundary

Sasmita Mohakud, Sergio Andraus, Masamichi Nishino, Akimasa Sakuma, and Seiji Miyashita (https://doi.org/10.1103/PhysRevB.94.054430),

2016.07.30

Schottky junctions studied using Korringa-Kohn-Rostoker non-equilibrium Green’s function method

DOI: http://dx.doi.org/10.7566/JPSJ.85.104715 (M. Ogura and H. Akai),

2016.07.01

Simultaneous magnetic and chemical imaging of Nd-Fe-B thin films by means of XMCD-PEEM technique

http://doi.org/10.3379/msjmag.1605R004 (R. Goto, S. Okamoto, T. Ohkochi, N. Kikuchi, O. Kitakami, T. Nakamura),

2016.06.24

Micromagnetic Simulations of Magnetization Reversals in Nd-Fe-B Based Permanent Magnets

http://doi.org/10.2320/matertrans.M2015457 (H. Sepehri-Amin, T. Ohkubo, K. Hono),

2016.06.20

Multiple magnetic scattering in small-angle neutron scattering of Nd–Fe–B nanocrystalline magnet

doi:10.1038/srep28167 (Tetsuro Ueno, Kotaro Saito, Masao Yano, Masaaki Ito, Tetsuya Shoji, Noritsugu Sakuma, Akira Kato, Akira Manabe, Ai Hashimoto, Elliot P. Gilbert, Uwe Keiderling & Kanta Ono),

2016.04.28

Relevance of 4f-3d exchange to finite-temperature magnetism of rare-earth permanent magnets: an ab-initio-based spin model approach for NdFe12N

J. Appl. Phys. 119, 213901 (2016); http://dx.doi.org/10.1063/1.4952989 (Munehisa Matsumoto (ESICMM), Hisazumi Akai (ISSP and ESICMM), Yosuke Harashima (AIST and ESICMM), Shotaro Doi (ISSP and ESICMM), and Takashi Miyake (AIST and ESICMM)),

2016.04.21

High coercivity Sm2Fe17N3 submicron size powder prepared by polymerized-complex and reduction–diffusion process

doi:10.1016/j.scriptamat.2016.03.028 ( Y. Hirayama, A.K. Panda1, T. Ohkubo, K. Hono ),

2016.04.21

Micromagnetic simulation of the orientation dependence of grain boundary properties on the coercivity of Nd-Fe-B sintered magnets

http://dx.doi.org/10.1063/1.4944773 (Jun Fujisaki, Atsushi Furuya, Yuji Uehara, Koichi Shimizu, Tadashi Ataka, Tomohiro Tanaka, Hirotaka Oshima, Tadakatsu Ohkubo, Satoshi Hirosawa , Kazuhiro Hono),

2016.04.18

Coercivity of the Nd–Fe–B hot-deformed magnets diffusion-processed with low meltingtemperature glass forming alloys

http://dx.doi.org/10.1016/j.jmmm.2016.04.005 (U.M.R. Seelam, Lihua Liu, T. Akiya, H. Sepehri-Amin, T. Ohkubo, N. Sakuma, M. Yano, A. Kato,K. Hono,),

2016.03.01

Magnetic domain evolution in Nd–Fe–B:Cu sintered magnet visualized by scanning hard X-ray microprobe

doi:10.1016/j.actamat.2016.01.011, Motohiro Suzuki, Akira Yasui, Yoshinori Kotani, Naruki Tsuji, Tetsuya Nakamura, Satoshi Hirosawa,

2016.02.08

Large-scale micromagnetic simulation of Nd-Fe-B sintered magnets with Dy-rich shell structures

http://dx.doi.org/10.1063/1.4943058, T. Oikawa, H. Yokota, T. Ohkubo, K. Hono,

2016.02.08

The influence of grain morphology and easy axis orientation on the coercivity of Sm(Co0.9Cu0.1)5 thin films

Volume 107, 1 April 2016, Pages 49–58 ( 10.1016/j.actamat.2016.01.030), W.B. Cui, L. Ma, H. Sepehri-Amin, Y.K. Takahashi, K. Hono,

2016.01.22

Quantum Stoner-Wohlfarth Model

Takuya Hatomura, Bernard Barbara, and Seiji Miyashita (https://doi.org/10.1103/PhysRevLett.116.037203),


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