自旋为1的六角Ising纳米线的磁滞和补偿行为
Hysteresis and compensation behaviors of spin-1 hexagonal Ising nanowire
摘要：
采用关联有效场论研究了自旋为1的六角核壳结构Ising纳米线的磁滞、磁化率和补偿行为。详细研究了温度、晶场、核壳界面耦合和壳层表面耦合等因素对滞回和补偿行为的影响。当核壳界面耦合较弱时，体系中出现双滞回线和三滞回线。磁滞回线具有不同的矫顽场点，磁化率在这些点处达到峰值。此外，我们观察到，该系统显示的Q-，R-，S-，P-，N-和W-类型的补偿行为，根据Neél分类命名法。最后，将所得结果与一些实验和理论结果进行了比较，发现符合得很好。
英文摘要：
An effective-field theory with correlations has been used to study the hysteresis, susceptibility and compensation behaviors of the spin-1 hexagonal Ising nanowire (HIN) with core-shell structure. The effects of the temperature, crystal field, core-shell interfacial coupling and shell surface coupling are investigated on hysteresis and compensation behaviors, in detail. When the core-shell interfacial coupling is weak, the double and triple hysteresis loops can be seen in the system. The hysteresis loops have different coercive field points that the susceptibility make peak at these points. Moreover, we observed that the system displays the Q-, R-, S-, P-, N- and W-types of compensation behaviors according to Neél classification nomenclature. Finally, the obtaining results are compared with some experimental and theoretical results and found a good agreement.
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