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Please use this identifier to cite or link to this item: https://olympias.lib.uoi.gr/jspui/handle/123456789/14037
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dc.contributor.authorChowdhury, S.en
dc.contributor.authorEmeleus, C. J.en
dc.contributor.authorMilton, B.en
dc.contributor.authorSkuras, E.en
dc.contributor.authorLong, A. R.en
dc.contributor.authorDavies, J. H.en
dc.contributor.authorPennelli, G.en
dc.contributor.authorStanley, C. R.en
dc.date.accessioned2015-11-24T17:34:50Z-
dc.date.available2015-11-24T17:34:50Z-
dc.identifier.issn0163-1829-
dc.identifier.urihttps://olympias.lib.uoi.gr/jspui/handle/123456789/14037-
dc.rightsDefault Licence-
dc.subject2-dimensional electron-gasen
dc.subjectpotential modulationen
dc.subjectmagnetoresistance oscillationsen
dc.subjectmagnetic breakdownen
dc.subjectmagnetotransporten
dc.subjectsystemsen
dc.titleImportance of symmetry breaking in two-dimensional lateral-surface superlatticesen
heal.typejournalArticle-
heal.type.enJournal articleen
heal.type.elΆρθρο Περιοδικούel
heal.identifier.primaryDOI 10.1103/PhysRevB.62.R4821-
heal.identifier.secondary<Go to ISI>://000089003200014-
heal.languageen-
heal.accesscampus-
heal.recordProviderΠανεπιστήμιο Ιωαννίνων. Σχολή Θετικών Επιστημών. Τμήμα Μηχανικών Επιστήμης Υλικώνel
heal.publicationDate2000-
heal.abstractWe have investigated commensurability oscillations in the magnetoresistances of two-dimensional lateral surface superlattices with square patterns and periods of 100 nm. In some of our samples the symmetry of the potential was broken by the presence of stress and strong piezoelectric effects. Oscillations were weak in symmetric samples, but became much stronger for transport along the [01(1) over bar] direction [on a (100) wafer] when the symmetry was broken. For transport along the [010] and [001] directions in the asymmetric samples, the dominant Fourier component in the potential was at an angle of 45 degrees to the transport direction, and the commensurability oscillations had an effective period of 100/root 2 nm. All of these observations are fully in accord with a recent semi-classical theory based on the guiding center drift concept.en
heal.publisherAmerican Physical Societyen
heal.journalNamePhysical Review Ben
heal.journalTypepeer reviewed-
heal.fullTextAvailabilityTRUE-
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