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New results on bound excitons in quantum wells

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dc.contributor.authorOliveira, José Brás Barreto de [UNESP]
dc.contributor.authorMeneses, E. A.
dc.contributor.authorDa Silva, E. C F
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.contributor.institutionUniversidade Estadual de Campinas (UNICAMP)
dc.contributor.institutionUniversidade de São Paulo (USP)
dc.date.accessioned2014-05-27T11:18:19Z
dc.date.available2014-05-27T11:18:19Z
dc.date.issued1997-12-01
dc.description.abstractThe formation of bound excitons (BE) is investigated for a GaAs/GaAlAs multiple quantum well (QW) system. The photoluminescence (PL) spectra are analysed as a function of the excitation energy. It was found that the carriers photogeneration, either in the barrier or directly in the well, do not play an important role on the BE formation. We conclude that defects localized at interfaces are ionized by of capture charges which in turn bound the free exciton (FE).en
dc.description.affiliationDepartamento de Física - FC Universidade Estadual Paulista, Caixa Postal 473, 17033-360 Bauru, SP
dc.description.affiliationInstituto de Física Gleb Wataghin Universidade Estadual de Campinas, Caixa Postal 6165, 17083-970, Campinas, SP
dc.description.affiliationInstituto de Física Universidade de São Paulo, Caixa Postal 66318, 05389-970, São Paulo, SP
dc.description.affiliationUnespDepartamento de Física - FC Universidade Estadual Paulista, Caixa Postal 473, 17033-360 Bauru, SP
dc.format.extent194-197
dc.identifierhttp://www.sbfisica.org.br/bjp/files/v27a_194.pdf
dc.identifier.citationBrazilian Journal of Physics, v. 27, n. 4, p. 194-197, 1997.
dc.identifier.file2-s2.0-0031322713.pdf
dc.identifier.issn0103-9733
dc.identifier.lattes6977466698742311
dc.identifier.scopus2-s2.0-0031322713
dc.identifier.urihttp://hdl.handle.net/11449/65323
dc.language.isoeng
dc.relation.ispartofBrazilian Journal of Physics
dc.relation.ispartofjcr1.082
dc.relation.ispartofsjr0,276
dc.rights.accessRightsAcesso aberto
dc.sourceScopus
dc.titleNew results on bound excitons in quantum wellsen
dc.typeArtigo
dcterms.licensehttp://www.scielo.br/revistas/bjp/paboutj.htm
dspace.entity.typePublication
unesp.author.lattes6977466698742311
unesp.campusUniversidade Estadual Paulista (Unesp), Faculdade de Ciências, Baurupt
unesp.departmentFísica - FCpt

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