Origin of itinerant ferromagnetism in two-dimensional Fe3GeTe2

被引：0
|
作者：
陈熙 [1 ]
林正喆 [1 ]
程丽蓉 [1 ]
机构：
[1] School of Physics and Optoelectronic Engineering, Xidian University
来源：
Chinese Physics B | 2021年 / 04期
基金：
中央高校基本科研业务费专项资金资助;
关键词：
D O I：
暂无
中图分类号：
TB34 [功能材料];
学科分类号：
080501 ;
摘要：
Magnetic order in two-dimensional systems was not supposed to exist at finite temperature.In recent years,the successful preparation of two-dimensional ferromagnetic materials such as CrI,CrGeTe,and FeGeTeopens up a new chapter in the remarkable field of two-dimensional materials.Here,we report on a theoretical analysis of the stability of ferromagnetism in FeGeTe.We uncover the mechanism of holding long-range magnetic order and propose a model to estimate the Curie temperature of FeGeTe.Our results reveal the essential role of magnetic anisotropy in maintaining the magnetic order of two-dimensional systems.The theoretical method used here can be generalized to future research of other magnetic two-dimensional systems.
引用
收藏
页码：143 / 148
页数：6
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