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Spatial mapping of exciton lifetimes in single ZnO nanowires

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dc.contributor.authorReparaz, J. S.
dc.contributor.authorCallsen, G.
dc.contributor.authorWagner, M. R.
dc.contributor.authorGüell Vilà, Frank
dc.contributor.authorMorante i Lleonart, Joan Ramon
dc.contributor.authorSotomayor Torres, Clivia M.
dc.contributor.authorHoffmann, A.
dc.date.accessioned2014-03-24T10:58:12Z
dc.date.available2014-03-24T10:58:12Z
dc.date.issued2013
dc.date.updated2014-03-24T10:58:12Z
dc.description.abstractWe investigate the spatial dependence of the exciton lifetimes in single ZnO nanowires. We have found that the free exciton and bound exciton lifetimes exhibit a maximum at the center of nanowires, while they decrease by 30% towards the tips. This dependence is explained by considering the cavity-like properties of the nanowires in combination with the Purcell effect. We show that the lifetime of the bound-excitons scales with the localization energy to the power of 3/2, which validates the model of Rashba and Gurgenishvili at the nanoscale.
dc.format.extent8 p.
dc.format.mimetypeapplication/pdf
dc.identifier.idgrec634734
dc.identifier.issn2166-532X
dc.identifier.urihttps://hdl.handle.net/2445/52832
dc.language.isoeng
dc.publisherAIP Publishing
dc.relation.isformatofReproducció del document publicat a: http://dx.doi.org/10.1063/1.4808441
dc.relation.ispartofAPL Materials, 2013, vol. 1, p. 012103-1-012103-7
dc.relation.urihttp://dx.doi.org/10.1063/1.4808441
dc.rightscc-by (c) Reparaz, J. S. et al., 2013
dc.rights.accessRightsinfo:eu-repo/semantics/openAccess
dc.rights.urihttp://creativecommons.org/licenses/by/3.0/es
dc.sourceArticles publicats en revistes (Enginyeria Electrònica i Biomèdica)
dc.subject.classificationNanoelectrònica
dc.subject.classificationSemiconductors
dc.subject.classificationOptoelectrònica
dc.subject.classificationÒxid de zinc
dc.subject.classificationLuminescència
dc.subject.otherNanoelectronics
dc.subject.otherSemiconductors
dc.subject.otherOptoelectronics
dc.subject.otherZinc oxide
dc.subject.otherLuminescence
dc.titleSpatial mapping of exciton lifetimes in single ZnO nanowires
dc.typeinfo:eu-repo/semantics/article
dc.typeinfo:eu-repo/semantics/publishedVersion

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