Magnetization plateaus of a ferrimagnetic nanoparticle in the presence of single-ion anisotropies
作者： Wei Jiang , Li-mei Liu , Xiao-xi Li , Qi Deng , Hong-yu Guan
DOI: 10.1016/J.PHYSB.2012.05.059
关键词: Condensed matter physics 、 Single ion 、 Magnetization 、 Nanoparticle 、 Ferrimagnetism 、 Spontaneous magnetization 、 Magnetic field 、 Physics 、 Anisotropy 、 Orbital magnetization
摘要: The magnetization of a ferrimagnetic mixed-spin nanoparticle for series different single-ion anisotropies D1 and D2 with increasing external magnetic field is studied by the use effective-field theory correlations. At low temperature, exhibits an obvious step effect anisotropies, exchange couplings, field. results show that positive anisotropy (or D2) necessary element emergence accessional plateaus nanoparticle. However, stronger dissatisfy 2S+1 criterion in such system.
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