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首页> 外文期刊>Physica, B. Condensed Matter >Nanoparticle with a ferrimagnetic interlayer coupling in the presence of single-ion anisotropis
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Nanoparticle with a ferrimagnetic interlayer coupling in the presence of single-ion anisotropis

机译:单离子各向异性存在下具有亚铁磁层间耦合的纳米粒子

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摘要

The magnetic properties of a nanoparticle described by the transverse Ising model with single-ion anisotropis, which consists of a concentric spin-3/2 core and a hexagonal ring spin-5/2 shell coupled with a ferrimamagnetic interlayer coupling, are studied by the effective-field theory with self-spin correlations. Particular emphasis is given to the effects of the both the transverse field and the single-ion anisotropis on the longitudinal and transverse magnetizations, phase diagrams of the nanoparticle. We have found that, for appropriate values of the system parameters, one or two compensation points may be obtained in the present systems.
机译:研究了由具有单离子各向异性的横向伊辛模型描述的纳米粒子的磁学性质,该纳米粒子由同心的自旋3/2核和与铁磁性层间耦合耦合的六角环自旋5/2壳组成。具有自旋相关性的有效场理论。特别强调了横向场和单离子各向异性都对纳米颗粒的纵向和横向磁化,相图的影响。我们已经发现,对于适当的系统参数值,在本系统中可以获得一个或两个补偿点。

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