Anharmonic Periodic Modulation in Lateral Surface Superlattices

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dc.contributor.authorCusco, R.en
dc.contributor.authorHolland, M. C.en
dc.contributor.authorDavies, J. H.en
dc.contributor.authorLarkin, I. A.en
dc.contributor.authorSkuras, E.en
dc.contributor.authorLong, A. R.en
dc.contributor.authorBeaumont, S. P.en
dc.date.accessioned2015-11-24T17:32:07Z
dc.date.available2015-11-24T17:32:07Z
dc.identifier.issn0039-6028-
dc.identifier.urihttps://olympias.lib.uoi.gr/jspui/handle/123456789/13673
dc.rightsDefault Licence-
dc.subject2-dimensional electron-gasen
dc.subjectmagnetoresistanceen
dc.subjectsystemsen
dc.titleAnharmonic Periodic Modulation in Lateral Surface Superlatticesen
heal.abstractWe have measured the longitudinal magnetoresistance of a lateral surface superlattice with a period of 270 nm where the electrons are only 28 nm deep. The commensurability oscillations have a strong second harmonic content. This reflects a non-sinusoidal potential in the two-dimensional electron gas, a consequence of the shallow structure. The shape of the potential cannot be explained by a pinned GaAs surface and indicates that the surface charge is frozen or that the electrons feel an elastic strain field from the metal gates.en
heal.accesscampus-
heal.fullTextAvailabilityTRUE-
heal.identifier.primaryDoi 10.1016/0039-6028(94)90970-9-
heal.identifier.secondary<Go to ISI>://A1994ND67400121-
heal.journalNameSurface Scienceen
heal.journalTypepeer reviewed-
heal.languageen-
heal.publicationDate1994-
heal.publisherElsevieren
heal.recordProviderΠανεπιστήμιο Ιωαννίνων. Σχολή Θετικών Επιστημών. Τμήμα Μηχανικών Επιστήμης Υλικώνel
heal.typejournalArticle-
heal.type.elΆρθρο Περιοδικούel
heal.type.enJournal articleen

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