Intrinsic magnetic topological insulator phases in the Sb doped MnBi2Te4 bulks and thin flakes
Chen, Bo1,2,3; Fei, Fucong1,2,3; Zhang, Dongqin1,2; Zhang, Bo4; Liu, Wanling5,6,7; Zhang, Shuai1,2,3; Wang, Pengdong4; Wei, Boyuan1,2,3; Zhang, Yong1,2,3; Zuo, Zewen1,2,3; Guo, Jingwen1,2,3; Liu, Qianqian1,2,3; Wang, Zilu8,9; Wu, Xuchuan8,9; Zong, Junyu1,2; Xie, Xuedong1,2; Chen, Wang1,2; Sun, Zhe4; Wang, Shancai8,9; Zhang, Yi1,2; Zhang, Minhao1,2,3; Wang, Xuefeng1,3,10; Song, Fengqi1,2,3; Zhang, Haijun1,2; Shen, Dawei6,7; Wang, Baigeng1,2
2019-10-02
Source PublicationNATURE COMMUNICATIONS
ISSN2041-1723
Volume10
Status已发表
DOI10.1038/s41467-019-12485-y
AbstractMagnetic topological insulators (MTIs) offer a combination of topologically nontrivial characteristics and magnetic order and show promise in terms of potentially interesting physical phenomena such as the quantum anomalous Hall (QAH) effect and topological axion insulating states. However, the understanding of their properties and potential applications have been limited due to a lack of suitable candidates for MTIs. Here, we grow two-dimensional single crystals of Mn(SbxBi(1-x))(2)Te-4 bulk and exfoliate them into thin flakes in order to search for intrinsic MTIs. We perform angle-resolved photoemission spectroscopy, low-temperature transport measurements, and first-principles calculations to investigate the band structure, transport properties, and magnetism of this family of materials, as well as the evolution of their topological properties. We find that there exists an optimized MTI zone in the Mn (SbxBi(1-x))(2)Te-4 phase diagram, which could possibly host a high-temperature QAH phase, offering a promising avenue for new device applications.
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Indexed BySCI
Language英语
Funding ProjectUsers with Excellence Program of Hefei Science Center CAS[2019HSC-UE007]
WOS Research AreaScience & Technology - Other Topics
WOS SubjectMultidisciplinary Sciences
WOS IDWOS:000488485300004
PublisherNATURE PUBLISHING GROUP
WOS KeywordSEMIMETAL ; SURFACE ; FERMION ; STATE
Original Document TypeArticle
Citation statistics
Cited Times:16[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://kms.shanghaitech.edu.cn/handle/2MSLDSTB/80414
Collection物质科学与技术学院_硕士生
Corresponding AuthorFei, Fucong; Song, Fengqi; Zhang, Haijun; Shen, Dawei
Affiliation1.Nanjing Univ, Collaborat Innovat Ctr Adv Microstruct, Natl Lab Solid State Microstruct, Nanjing 210093, Jiangsu, Peoples R China
2.Nanjing Univ, Coll Phys, Nanjing 210093, Jiangsu, Peoples R China
3.AMI, Nanjing 211805, Jiangsu, Peoples R China
4.Univ Sci & Technol China, Natl Synchrotron Radiat Lab, Hefei 230029, Anhui, Peoples R China
5.ShanghaiTech Univ, Sch Phys Sci & Technol, Div Photon Sci & Condensed Matter Phys, Shanghai 200031, Peoples R China
6.Chinese Acad Sci, SIMIT, State Key Lab Funct Mat Informat, Shanghai 200050, Peoples R China
7.Univ Chinese Acad Sci, Ctr Mat Sci & Optoelect Engn, Beijing 100049, Peoples R China
8.Renmin Univ China, Dept Phys, Beijing 100872, Peoples R China
9.Renmin Univ China, Beijing Key Lab Opto Elect Funct Mat & Micro Nano, Beijing 100872, Peoples R China
10.Nanjing Univ, Sch Elect Sci & Engn, Nanjing 210093, Jiangsu, Peoples R China
Recommended Citation
GB/T 7714
Chen, Bo,Fei, Fucong,Zhang, Dongqin,et al. Intrinsic magnetic topological insulator phases in the Sb doped MnBi2Te4 bulks and thin flakes[J]. NATURE COMMUNICATIONS,2019,10.
APA Chen, Bo.,Fei, Fucong.,Zhang, Dongqin.,Zhang, Bo.,Liu, Wanling.,...&Wang, Baigeng.(2019).Intrinsic magnetic topological insulator phases in the Sb doped MnBi2Te4 bulks and thin flakes.NATURE COMMUNICATIONS,10.
MLA Chen, Bo,et al."Intrinsic magnetic topological insulator phases in the Sb doped MnBi2Te4 bulks and thin flakes".NATURE COMMUNICATIONS 10(2019).
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