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Quasi-ballistic-electron transport in random superlattices

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dc.affiliation.dptoUC3M. Departamento de Matemáticases
dc.affiliation.grupoinvUC3M. Grupo de Investigación: Interdisciplinar de Sistemas Complejos (GISC)es
dc.contributor.authorDomínguez-Adame, Francisco
dc.contributor.authorSánchez, Angel
dc.contributor.authorDiez, Enrique
dc.date.accessioned2012-09-06T09:39:02Z
dc.date.available2012-09-06T09:39:02Z
dc.date.issued1994-12-15
dc.description.abstractWe theoretically study electron transport in disordered, quantum-well-based, semiconductor superlattices with structural short-range correlations. Our system consists of equal-width square barriers and quantum wells with two different thicknesses. The two kinds of quantum wells are randomly distributed along the growth direction. Structural correlations are introduced by adding the constraint that one of the wells always appears in pairs. We show that such correlated disordered superlattices exhibit a strong enhancement of their dc conductance as compared to usual random ones, giving rise to quasi-ballistic-electron transport. Interestingly, this phenomenon is also detected in superlattices with random fluctuations of the well thicknesses. Our predictions can be used to demonstrate experimentally that structural correlations inhibit the localization effects of disorder and, most important, that it should be clearly observed even in the presence of imperfectionses
dc.description.sponsorshipWork at Madrid was supported by UCM through Project No. PR161/93-4811. Work at Leganes was supported by the DGICyT (Spain) through Project No. PB92-0248, and by the European Union Human Capital and Mobility Programme through Contract No. ERBCHRXCT930413.es
dc.description.statusPublicadoes
dc.format.mimetypeapplication/pdf
dc.identifier.bibliographicCitationPhysical Review B, vol. 50, n. 23, 15 dec. 1994. Pp. 17 736–17 739es
dc.identifier.doi10.1103/PhysRevB.50.17736
dc.identifier.issn1098-0121 (print version)
dc.identifier.issn1550-235X (online version)
dc.identifier.urihttps://hdl.handle.net/10016/15221
dc.language.isoenges
dc.publisherAmerican Physical Societyes
dc.relation.publisherversionhttp://dx.doi.org/10.1103/PhysRevB.50.17736
dc.rights.accessRightsopen accesses
dc.subject.ecienciaMatemáticases
dc.titleQuasi-ballistic-electron transport in random superlatticeses
dc.typeresearch article*
dc.type.hasVersionVoR*
dspace.entity.typePublication
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