Zobrazeno 1 - 10 of 127 pro vyhledávání: '"Masamichi, Nishino"'
1
Akademický článek
Atomistic theory of thermally activated magnetization processes in Nd2Fe14B permanent magnet
Autor: Seiji Miyashita, Masamichi Nishino, Yuta Toga, Taichi Hinokihara, Ismail Enes Uysal, Takashi Miyake, Hisazumi Akai, Satoshi Hirosawa, Akimasa Sakuma
Publikováno v: Science and Technology of Advanced Materials, Vol 22, Iss 1, Pp 658-682 (2021)
To study the temperature dependence of magnetic properties of permanent magnets, methods of treating the thermal fluctuation causing the thermal activation phenomena must be established. To study finite-temperature properties quantitatively, we need
Externí odkaz: https://doaj.org/article/4369a53b929d4b6ca3a8fb097a0ac5f7
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3
Akademický článek
Finite-temperature dynamical and static properties of Nd magnets studied by an atomistic modeling
Autor: Masamichi Nishino, Ismail Enes Uysal, Taichi Hinokihara, Seiji Miyashita
Publikováno v: AIP Advances, Vol 11, Iss 2, Pp 025102-025102-8 (2021)
We investigate static and dynamical properties of the Nd permanent magnet, Nd2Fe14B, using a recently developed atomistic model. We show the temperature dependence of magnetizations and domain wall profiles by a Monte Carlo method. With the use of th
Externí odkaz: https://doaj.org/article/1aabc69cd58944569b35dd40490b8716
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6
Atomistic theory of thermally activated magnetization processes in Nd2Fe14B permanent magnet
Autor: Yuta Toga, Takashi Miyake, Satoshi Hirosawa, Ismail Enes Uysal, Hisazumi Akai, Masamichi Nishino, Akimasa Sakuma, Taichi Hinokihara, Seiji Miyashita
Publikováno v: Science and Technology of Advanced Materials, Vol 22, Iss 1, Pp 658-682 (2021)
To study the temperature dependence of magnetic properties of permanent magnets, methods of treating the thermal fluctuation causing the thermal activation phenomena must be established. To study finite-temperature properties quantitatively, we need
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e63346af01d89f4fc7a7473f161d68eb
https://doaj.org/article/4369a53b929d4b6ca3a8fb097a0ac5f7
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9
Phase diagram of the two-dimensional dipolar Heisenberg model with Dzyaloshinskii-Moriya interaction and Ising anisotropy
Autor: Masamichi Nishino, Yoshihiko Nonomura, Hisato Komatsu
Publikováno v: Physical Review B. 103
We study phase transitions in the two-dimensional Heisenberg model with the Dzyaloshinskii-Moriya interaction, the Ising anisotropy ($\eta$), and the dipolar interaction under zero and finite magnetic fields ($H$). For three typical strengths (zero,
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f059cc5a524e973cdb8fdc803d2ccbbf
https://doi.org/10.1103/physrevb.103.214404
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10
Effect of the surface magnetic anisotropy of neodymium atoms on the coercivity in neodymium permanent magnets
Autor: Masamichi Nishino, Seiji Miyashita, Ismail Enes Uysal
Publikováno v: Physical Review B. 103
The Nd permanent magnet (${\mathrm{Nd}}_{2}{\mathrm{Fe}}_{14}\mathrm{B}$) is an indispensable material used in modern energy conversion devices. The realization of high coercivity at finite temperatures is an important issue. One of the important ing
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1418225ece62f01e79c87c3121a73453
https://doi.org/10.1103/physrevb.103.014418
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