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Metal-insulator transition and the anomalous Hall effect in the layered magnetic materials VS2 and VSe2
2016-11-22
发表期刊NEW JOURNAL OF PHYSICS (IF:2.8[JCR-2023],3.0[5-Year])
ISSN1367-2630
卷号18期号:11
发表状态已发表
DOI10.1088/1367-2630/18/11/113038
摘要We investigated the electronic structure of the layered transition-metal dichalcogenides VS2 and VSe2 by first-principles calculations. Both compounds exhibit metal-insulator transitions when crossing over from the bulk to the two-dimensional monolayer. In the monolayer limit, the Coulomb interaction is enhanced due to the dimension reduction, leading to the insulating state. Moreover, these monolayers are found to be ferromagnetic, supplying excellent candidates for ferromagnetic insulators. When increasing the thickness, the few-layer structure turns metallic and presents large anomalous Hall conductivity (similar to 100 S/cm), which oscillates with respect to the thickness due to the size effect. Our findings presents profound materials, such as ferromagnetic insulators and anomalous Hall ferromagnets, for the spintronic application.
关键词metal-insulator transition anomalous Hall effect layered magnetic materials first-principles calculations ferromagnetic insulators
收录类别SCI ; EI
语种英语
资助项目ERC[291472]
WOS研究方向Physics
WOS类目Physics, Multidisciplinary
WOS记录号WOS:000389325200002
出版者IOP PUBLISHING LTD
EI入藏号20165303203431
EI主题词Calculations ; Electronic structure ; Ferromagnetic materials ; Ferromagnetism ; Hall effect ; Magnetic materials ; Metal insulator boundaries ; Metals ; Monolayers ; Semiconductor insulator boundaries ; Transition metals
EI分类号Metallurgy and Metallography:531 ; Electricity: Basic Concepts and Phenomena:701.1 ; Magnetic Materials:708.4 ; Semiconductor Devices and Integrated Circuits:714.2 ; Mathematics:921
WOS关键词SE
原始文献类型Article
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文献类型期刊论文
条目标识符https://kms.shanghaitech.edu.cn/handle/2MSLDSTB/1631
专题物质科学与技术学院_PI研究组_颜丙海组
通讯作者Chang, Ching-Ray
作者单位
1.Natl Taiwan Univ, Dept Phys, Taipei 106, Taiwan
2.Max Planck Inst Chem Phys Solids, D-01187 Dresden, Germany
3.ShanghaiTech Univ, Sch Phys Sci & Technol, Shanghai 200031, Peoples R China
4.CAS Shanghai Sci Res Ctr, Shanghai 201203, Peoples R China
推荐引用方式
GB/T 7714
Fuh, Huei-Ru,Yan, Binghai,Wu, Shu-Chun,et al. Metal-insulator transition and the anomalous Hall effect in the layered magnetic materials VS2 and VSe2[J]. NEW JOURNAL OF PHYSICS,2016,18(11).
APA Fuh, Huei-Ru,Yan, Binghai,Wu, Shu-Chun,Felser, Claudia,&Chang, Ching-Ray.(2016).Metal-insulator transition and the anomalous Hall effect in the layered magnetic materials VS2 and VSe2.NEW JOURNAL OF PHYSICS,18(11).
MLA Fuh, Huei-Ru,et al."Metal-insulator transition and the anomalous Hall effect in the layered magnetic materials VS2 and VSe2".NEW JOURNAL OF PHYSICS 18.11(2016).
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