Designing spatial correlation of quantum dots: towards self-assembled three-dimensional structures

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dc.contributor.authorBortoleto, J. R. R. [UNESP]
dc.contributor.authorZelcovit, J. G.
dc.contributor.authorGutierrez, H. R.
dc.contributor.authorBettini, J.
dc.contributor.authorCotta, M. A.
dc.contributor.institutionUniversidade Estadual de Campinas (UNICAMP)
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.date.accessioned2014-05-20T15:31:06Z
dc.date.available2014-05-20T15:31:06Z
dc.date.issued2008-01-09
dc.description.abstractBuried two-dimensional arrays of InP dots were used as a template for the lateral ordering of self-assembled quantum dots. The template strain field can laterally organize compressive (InAs) as well as tensile (GaP) self-assembled nanostructures in a highly ordered square lattice. High-resolution transmission electron microscopy measurements show that the InAs dots are vertically correlated to the InP template, while the GaP dots are vertically anti-correlated, nucleating in the position between two buried InP dots. Finite InP dot size effects are observed to originate InAs clustering but do not affect GaP dot nucleation. The possibility of bilayer formation with different vertical correlations suggests a new path for obtaining three-dimensional pseudocrystals.en
dc.description.affiliationUniv Estadual Campinas, Inst Fis Gleb Wataghin, BR-13083970 Campinas, SP, Brazil
dc.format.extent8
dc.identifierhttp://dx.doi.org/10.1088/0957-4484/19/01/015601
dc.identifier.citationNanotechnology. Bristol: Iop Publishing Ltd, v. 19, n. 1, p. 8, 2008.
dc.identifier.doi10.1088/0957-4484/19/01/015601
dc.identifier.issn0957-4484
dc.identifier.urihttp://hdl.handle.net/11449/40334
dc.identifier.wosWOS:000252828700017
dc.language.isoeng
dc.publisherIop Publishing Ltd
dc.relation.ispartofNanotechnology
dc.relation.ispartofjcr3.404
dc.relation.ispartofsjr1,079
dc.rights.accessRightsAcesso restrito
dc.sourceWeb of Science
dc.titleDesigning spatial correlation of quantum dots: towards self-assembled three-dimensional structuresen
dc.typeArtigo
dcterms.licensehttp://iopscience.iop.org/info/page/openaccess
dcterms.rightsHolderIop Publishing Ltd
unesp.author.orcid0000-0001-7316-0804[4]
unesp.campusUniversidade Estadual Paulista (Unesp), Instituto de Ciência e Tecnologia, Sorocabapt

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