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One-dimensional spin texture of Bi(441): Quantum spin Hall properties without a topological insulator
Bianchi, M; Song, F; Cooil, S; Monsen, AF; Wahlstrom, E; Miwa, JA; Rienks, EDL; Evans, DA; Strozecka, A; Pascual, JI; Leandersson, M; Balasubramanian, T; Hofmann, P; Wells, JW
2015
Source PublicationPHYSICAL REVIEW B
Volume91Issue:16Pages:
Subtype期刊文献
AbstractThe high index (441) surface of bismuth has been studied using scanning tunneling microscopy (STM), angle resolved photoemission spectroscopy (APRES), and spin-resolved ARPES. The surface is strongly corrugated, exposing a regular array of (110)-like terraces. Two surface localized states are observed, both of which are linearly dispersing in one in-plane direction (k(x)), and dispersionless in the orthogonal in-plane direction (k(y)), and both of which have a Dirac-like crossing at k(x) = 0. Spin ARPES reveals a strong in-plane polarization, consistent with Rashba-like spin-orbit coupling. One state has a strong out-of-plane spin component, which matches with the miscut angle, suggesting its possible origin as an edge state. The electronic structure of Bi(441) has significant similarities with topological insulator surface states and is expected to support one-dimensional quantum spin Hall-like coupled spin-charge transport properties with inhibited backscattering, without requiring a topological insulator bulk.
KeywordBismuth Thin-films Electronic-structure Surface Nanoribbons Bi2se3 States
Indexed BySCI
Language英语
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/24515
Collection中科院上海应用物理研究所2011-2019年
Recommended Citation
GB/T 7714
Bianchi, M,Song, F,Cooil, S,et al. One-dimensional spin texture of Bi(441): Quantum spin Hall properties without a topological insulator[J]. PHYSICAL REVIEW B,2015,91(16):—.
APA Bianchi, M.,Song, F.,Cooil, S.,Monsen, AF.,Wahlstrom, E.,...&Wells, JW.(2015).One-dimensional spin texture of Bi(441): Quantum spin Hall properties without a topological insulator.PHYSICAL REVIEW B,91(16),—.
MLA Bianchi, M,et al."One-dimensional spin texture of Bi(441): Quantum spin Hall properties without a topological insulator".PHYSICAL REVIEW B 91.16(2015):—.
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