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Paramagnetic phases of two-dimensional magnetic materials

机译：二维磁性材料的顺磁阶段

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摘要

The magnetic long-range ordering stales of van der Waals magnets at low temperatures have gained much interest, yet their high-temperature paramagnetic slates remain largely unexplored. In this paper, we apply the disordered local moment picture for describing the paramagnetic stales of two-dimensional magnetic semiconductors. We calculate the electronic structure of paramagnetic phases of CrI_3. CrSiTe_3, and NiPS_3 using the density functional theory with static Hubbard corrections. The semiconducting electronic structures are successfully reproduced without any inclusion of dynamical correlation effects. The local electronic structure of magnetic ions in the paramagnetic phase resembles those in the magnetically ordered phase. The band structures of the paramagnetic phases are also analyzed. The itinerant ferromagnet Fe_3GeTe_2 is also briefly discussed where the disordered local moment picture is not applicable due to the coexistence of itinerant and local magnetism.
机译：在低温下van der Wa磁体的磁性远程排序势群已经获得了很多兴趣，但它们的高温顺磁板仍然很大程度上是未开发的。在本文中，我们应用无序的本地片刻图片，以描述二维磁半导体的顺磁阶段。我们计算CRI_3的顺磁阶段的电子结构。 CRSITE_3和NIPS_3使用密度泛函理论与静态哈贝德校正。成功再现半导体电子结构而不包含动态相关效果。磁离子中的磁离子的局部电子结构类似于磁有序相的磁离子。还分析了顺磁相的带结构。还简要讨论了Itinerant Ferromagnet Fe_3GetE_2，其中由于闲潮和局部磁性的共存，无序的本地时刻图片不适用。

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  • 来源
    《Physical review.B.Condensed matter and materials physics》 |2020年第21期|214417.1-214417.8|共8页
  • 作者

    Xiao-Yan Chen; Meng-Qiu Long; Yun-Peng Wang;

  • 作者单位

    School of Physics and Electronics Hunan Key Laboratory for Super-Micro Structure and Ultrafast Process Central South University 932 South Lushan Road Changsha 410083 People's Republic of China;

    School of Physics and Electronics Hunan Key Laboratory for Super-Micro Structure and Ultrafast Process Central South University 932 South Lushan Road Changsha 410083 People's Republic of China;

    School of Physics and Electronics Hunan Key Laboratory for Super-Micro Structure and Ultrafast Process Central South University 932 South Lushan Road Changsha 410083 People's Republic of China;

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