Electronic structure of SrSn2As2 near the topological critical point
Rong, LY; Ma, JZ; Nie, SM; Lin, ZP; Li, ZL; Fu, BB; Kong, LY; Zhang, XZ; Huang, YB; Weng, HM; Qian, T; Ding, H; Tai, RZ
2017
发表期刊SCIENTIFIC REPORTS
ISSN2045-2322
卷号7期号:-页码:-
文章类型期刊论文
摘要Topological materials with exotic quantum properties are promising candidates for quantum spin electronics. Different classes of topological materials, including Weyl semimetal, topological superconductor, topological insulator and Axion insulator, etc., can be connected to each other via quantum phase transition. For example, it is believed that a trivial band insulator can be twisted into topological phase by increasing spin-orbital coupling or changing the parameters of crystal lattice. With the results of LDA calculation and measurement by angle-resolved photoemission spectroscopy (ARPES), we demonstrate in this work that the electronic structure of SrSn2As2 single crystal has the texture of band inversion near the critical point. The results indicate the possibility of realizing topological quantum phase transition in SrSn2As2 single crystal and obtaining different exotic quantum states.
关键词Total-energy Calculations Single Dirac Cone Wave Basis-set Phase-transition Insulator Surface Discovery Semimetal
DOI10.1038/s41598-017-05386-x
关键词[WOS]TOTAL-ENERGY CALCULATIONS ; SINGLE DIRAC CONE ; WAVE BASIS-SET ; PHASE-TRANSITION ; INSULATOR ; SURFACE ; DISCOVERY ; SEMIMETAL
收录类别SCI
语种英语
WOS记录号WOS:000406285700041
引用统计
文献类型期刊论文
条目标识符http://ir.sinap.ac.cn/handle/331007/28638
专题中科院上海应用物理研究所2011-2018年
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Rong, LY,Ma, JZ,Nie, SM,et al. Electronic structure of SrSn2As2 near the topological critical point[J]. SCIENTIFIC REPORTS,2017,7(-):-.
APA Rong, LY.,Ma, JZ.,Nie, SM.,Lin, ZP.,Li, ZL.,...&Tai, RZ.(2017).Electronic structure of SrSn2As2 near the topological critical point.SCIENTIFIC REPORTS,7(-),-.
MLA Rong, LY,et al."Electronic structure of SrSn2As2 near the topological critical point".SCIENTIFIC REPORTS 7.-(2017):-.
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