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Structure of surface electronic states in strained mercury telluride

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dc.contributor Háskóli Íslands
dc.contributor University of Iceland
dc.contributor.author Kibis, Oleg
dc.contributor.author Kyriienko, O.
dc.contributor.author Shelykh, Ivan
dc.date.accessioned 2020-05-04T15:53:54Z
dc.date.available 2020-05-04T15:53:54Z
dc.date.issued 2019-04-12
dc.identifier.citation Kibis, Kyriienko, & Shelykh. (2019). Structure of surface electronic states in strained mercury telluride. ArXiv.org, 21(4), ArXiv.org, Apr 12, 2019.
dc.identifier.issn 1367-2630
dc.identifier.uri https://hdl.handle.net/20.500.11815/1773
dc.description Publisher's version (útgefin grein)
dc.description.abstract We present the theory describing the various surface electronic states arisen from the mixing of conduction and valence bands in a strained mercury telluride (HgTe) bulk material. We demonstrate that the strain-induced band gap in the Brillouin zone center of HgTe results in the surface states of two different kinds. Surface states of the first kind exist in the small region of electron wave vectors near the center of the Brillouin zone and have the Dirac linear electron dispersion characteristic for topological states. The surface states of the second kind exist only far from the center of the Brillouin zone and have the parabolic dispersion for large wave vectors. The structure of these surface electronic states is studied both analytically and numerically in the broad range of their parameters, aiming to develop its systematic understanding for the relevant model Hamiltonian. The results bring attention to the rich surface physics relevant for topological systems.
dc.description.sponsorship The work was partially supported by Horizon2020 RISE project COEXAN, Russian Foundation for Basic Research (project 17-02-00053), Rannis project 163082-051, Ministry of Education and Science of Russian Federation (projects 3.457 3.2017/6.7, 3.261 4.2017/4.6, 14.Y26.31.0015), and the Government of the Russian Federation through the ITMO Fellowship and Professorship Program. OVK and OK thank the University of Iceland for hospitality.
dc.format.extent 043016
dc.language.iso en
dc.publisher IOP Publishing
dc.relation info:eu-repo/grantAgreement/EC/H2020/COEXAN
dc.relation.ispartofseries New Journal of Physics;21(4)
dc.rights info:eu-repo/semantics/openAccess
dc.subject Strained HgTe
dc.subject Surface states
dc.subject Topological insulator
dc.subject Grannfræði
dc.subject Ástand efnis
dc.title Structure of surface electronic states in strained mercury telluride
dc.type info:eu-repo/semantics/article
dcterms.license Original content from this work may be used under the terms of the Creative Commons Attribution 3.0 licence. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI.
dc.description.version Peer Reviewed
dc.identifier.journal New Journal of Physics
dc.identifier.doi 10.1088/1367-2630/ab1406
dc.contributor.department Raunvísindastofnun (HÍ)
dc.contributor.department Science Institute (UI)
dc.contributor.school Verkfræði- og náttúruvísindasvið (HÍ)
dc.contributor.school School of Engineering and Natural Sciences (UI)


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