MICROMAGNETISM

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相关期刊：《Science China(Physics,Mechanics & Astronomy)》《Chinese Physics B》《npj Computational Materials》更多>>
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Three-dimensional magnetization reconstruction from electron optical phase images with physical constraints
《Science China(Physics,Mechanics & Astronomy)》2024年第11期122-132,共11页Boyao Lyu Shihua Zhao Yibo Zhang Weiwei Wang Fengshan Zheng Rafal E.Dunin-Borkowski Jiadong Zang Haifeng Du 
supported by the National Key R&D Program of China(Grant No.2022YFA1403603);the National Natural Science Funds for Distinguished Young Scholars(Grant No.52325105);the National Natural Science Foundation of China(Grant Nos.12241406,52173215,and 12374098);the CAS Project for Young Scientists in Basic Research(Grant No.YSBR-084);the Strategic Priority Research Program of the Chinese Academy of Sciences(Grant No.XDB33030100);the Chinese Academy of Sciences(Grant No.JZHKYPT-2021-08);supported by the Office of Basic Energy Sciences,Division of Materials Sciences and Engineering,U.S.Department of Energy(Grant No.DESC0020221);financial support from Fundamental Research Funds for the Central Universities;the National Natural Science Fund for Excellent Young Scientists Fund Program(Overseas)and the General Program(Grant No.52373226);the Xiaomi Young Talents Program;funding from the European Research Council under the European Union’s Horizon 2020 Research and Innovation Programme(Grant No.856538);the Deutsche Forschungsgemeinschaft(Grant Nos.405553726,and 403502830)。
The ability to characterize three-dimensional(3D)magnetization distributions in nanoscale magnetic materials and devices is essential to fully understand their static and dynamic magnetic properties.Phase contrast tec...
关键词：three-dimensional magnetization vector field tomography differentiable programming electron holography MICROMAGNETISM 
Exchange interaction and demagnetization process of high-abundance rare-earth magnets sintered using dual alloy method
《Science China(Physics,Mechanics & Astronomy)》2022年第4期104-111,共8页Dan Liu Tongyun Zhao Jiaying Jin Tianyu Ma Jiefu Xiong Baogen Shen Fengxia Hu Jirong Sun 
supported by the Beijing Natural Science Foundation(Grant No.2214070);Science Center of the National Science Foundation of China(Grant No.52088101);National Natural Science Foundation of China(Grant Nos.52001012,51901057,U1832219,51771223,and 51971240);Heye Chongming Project(Grant No.HYCMP-2021001);National Key Research and Development Program of China(Grant Nos.2021YFB3501202,2021YFB35015043,2020YFA0711502,2019YFA0704900,2018YFA0305704,and 2017YFA0303601);Key Projects of Capacity Construction of Science and Technology Innovation Service(Grant No.19002020124);Beijing Talent Training Quality Construction Project(Grant No.19008021064);Strategic Priority Research Program B(Grant No.XDB33030200);Key Program of the Chinese Academy of Sciences(CAS)。
The 2:14:1-type rare-earth(RE)-Fe-B permanent magnets prepared by the dual alloy method have been found to possess much superior magnetic properties to those prepared by the single alloy method,providing an appealing ...
关键词：permanent magnets exchange interaction first-order reversal curve MICROMAGNETISM high abundance rare-earth magnets 
Full-spin-wave-scaled stochastic micromagnetism for mesh-independent simulations of ferromagnetic resonance and reversal
《npj Computational Materials》2022年第1期315-323,共9页Harald Oezelt Luman Qu Alexander Kovacs Johann Fischbacher Markus Gusenbauer Roman Beigelbeck Dirk Praetorius Masao Yano Tetsuya Shoji Akira Kato Roy Chantrell Michael Winklhofer Gergely T.Zimanyi Thomas Schrefl 
The authors acknowledge the financial support by the Vienna Science and Technology Fund(WWTF)under grant MA141-044.
In this paper,we address the problem that standard stochastic Landau-Lifshitz-Gilbert(sLLG)simulations typically produce results that show unphysical mesh-size dependence.The root cause of this problem is that the eff...
关键词：STOCHASTIC wave scaling 
Micromagnetism simulation on effects of soft phase size on Nd2Fe14B/α-Fe nanocomposite magnet with soft phase imbedded in hard phase
《Chinese Physics B》2018年第8期529-534,共6页Yu-Qing Li Ming Yue Yi Pen Hong-Guo Zhang 
Project supported by the Key Program of the National Natural Science Foundation of China(Grant No.51331003);the International S&T Cooperation Program of China(Grant No.2015DFG52020);the General Program of Science and Technology Development Project of Beijing Municipal Education Commission,China(Grant No.KM201710005006);the State Key Laboratory of Advanced Metals and Materials,China(Grant No.2015-ZD02)
In this study, micromagnetism simulation by using timte dltterence method is cameo out on the Ncl21-el415/a-Fe nanocomposite magnet with soft phase imbedded in hard phase. The effects of soft magnetic phase size （S）...
关键词：micromagnetism simulation magnetization dynamics  Nd2Fe14B/a-Fe nanocomposite magnets 
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