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Topological fate of edge states of single Bi bilayer on Bi(111)

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dc.contributor.authorHan Woong Yeom-
dc.contributor.authorJin K.-H.-
dc.contributor.authorJhi S.-H.-
dc.date.accessioned2016-04-25T02:35:59Z-
dc.date.available2016-04-25T02:35:59Z-
dc.date.created2016-04-18-
dc.date.issued2016-02-
dc.identifier.issn2469-9950-
dc.identifier.urihttps://pr.ibs.re.kr/handle/8788114/2471-
dc.description.abstractWe address the topological nature of electronic states of step edges of Bi(111) films by first-principles band structure calculations. We confirm that the dispersion of step-edge states reflects the topological nature of underlying films, which become topologically trivial at a thickness larger than eight bilayers. This result clearly conflicts with recent claims that the step-edge state at the surface of a bulk Bi(111) crystal or a sufficiently thick Bi(111) film represents nontrivial edge states of the two-dimensional topological insulator phase expected for a very thin Bi(111) film. The trivial step-edge states have a gigantic spin splitting of one-dimensional Rashba bands and substantial intermixing with electronic states of the bulk, which might be exploited further. © 2016 American Physical Society-
dc.description.uri1-
dc.language영어-
dc.publisherAMER PHYSICAL SOC-
dc.titleTopological fate of edge states of single Bi bilayer on Bi(111)-
dc.typeArticle-
dc.type.rimsART-
dc.identifier.wosid000370841200003-
dc.identifier.scopusid2-s2.0-84960154368-
dc.identifier.rimsid55142-
dc.date.tcdate2018-10-01-
dc.contributor.affiliatedAuthorHan Woong Yeom-
dc.identifier.doi10.1103/PhysRevB.93.075435-
dc.identifier.bibliographicCitationPHYSICAL REVIEW B, v.93, no.7, pp.075435-
dc.citation.titlePHYSICAL REVIEW B-
dc.citation.volume93-
dc.citation.number7-
dc.citation.startPage075435-
dc.date.scptcdate2018-10-01-
dc.description.wostc8-
dc.description.scptc8-
dc.description.journalClass1-
dc.description.journalRegisteredClassscie-
dc.description.journalRegisteredClassscopus-
Appears in Collections:
Center for Artificial Low Dimensional Electronic Systems(원자제어 저차원 전자계 연구단) > 1. Journal Papers (저널논문)
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