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Tuning the supercritical effective charge in gapless graphene via Fermi velocity modifying through the mechanical stretching

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dc.contributor.authorKatin, K. P.
dc.contributor.authorKrylov, K. S.
dc.contributor.authorMaslov, M. M.
dc.contributor.authorMur, V. D.
dc.contributor.authorКатин, Константин Петрович
dc.contributor.authorМаслов, Михаил Михайлович
dc.date.accessioned2024-11-22T06:45:57Z
dc.date.available2024-11-22T06:45:57Z
dc.date.issued2019
dc.description.abstract© 2019 Elsevier B.V.We present a theoretical study of the stretched graphene containing the Coulomb impurity. The cases of uniaxial armchair/zigzag and biaxial symmetry stretching are considered. For the uniaxial stretching, we found the gap opening with the non-monotonic dependence between the gap value and the strain. For the biaxial stretching, we observe a monotonic decreasing of Fermi velocity without the gap opening. Non-relativistic ab initio calculations of graphene electronic structure are combined with the analytical solution of relativistic Dirac equation. We found that the sheet stretching could provide a smooth fitting of Fermi velocity and, therefore, the smooth transformation of subcritical Coulomb impurity to the supercritical one.
dc.identifier.citationTuning the supercritical effective charge in gapless graphene via Fermi velocity modifying through the mechanical stretching / Katin, K.P. [et al.] // Diamond and Related Materials. - 2019. - 100. - 10.1016/j.diamond.2019.107566
dc.identifier.doi10.1016/j.diamond.2019.107566
dc.identifier.urihttps://www.doi.org/10.1016/j.diamond.2019.107566
dc.identifier.urihttps://www.scopus.com/record/display.uri?eid=2-s2.0-85073737244&origin=resultslist
dc.identifier.urihttp://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=Alerting&SrcApp=Alerting&DestApp=WOS_CPL&DestLinkType=FullRecord&UT=WOS:000501621000015
dc.identifier.urihttps://openrepository.mephi.ru/handle/123456789/19706
dc.relation.ispartofDiamond and Related Materials
dc.titleTuning the supercritical effective charge in gapless graphene via Fermi velocity modifying through the mechanical stretching
dc.typeArticle
dspace.entity.typePublication
oaire.citation.volume100
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