X-ray absorption and emission spectroscopy of ZnO nanoparticle and highly oriented ZnO microrod arrays

Detalhes bibliográficos
Autor(a) principal: Silva, A. Ferreira da
Data de Publicação: 2006
Outros Autores: Persson, C., Dong, C. L., Vayssieres, L., Augustsson, A., Schmitt, T., Mattesini, M., Ahuja, Rajeev, Nordgren, J., Chang, C. L., Guo, J. H.
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Institucional da UFBA
Texto Completo: http://www.repositorio.ufba.br/ri/handle/ri/12588
Resumo: Texto completo: acesso restrito. p. 686–689
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spelling Silva, A. Ferreira daPersson, C.Dong, C. L.Vayssieres, L.Augustsson, A.Schmitt, T.Mattesini, M.Ahuja, RajeevNordgren, J.Chang, C. L.Guo, J. H.Silva, A. Ferreira daPersson, C.Dong, C. L.Vayssieres, L.Augustsson, A.Schmitt, T.Mattesini, M.Ahuja, RajeevNordgren, J.Chang, C. L.Guo, J. H.2013-08-16T12:50:14Z20060026-2692http://www.repositorio.ufba.br/ri/handle/ri/12588v. 37 n. 8Texto completo: acesso restrito. p. 686–689The electronic structures of ZnO nanoparticles and microrod arrays are studied by O 1s X-ray absorption spectroscopy (XAS) and O Kα X-ray emission spectroscopy (XES). We show that the present LDA+USIC calculation approach is suitable to correct the LDA self-interaction error of the cation d-states. The atomic eigenstates of 3d in zinc and 2p in oxygen are energetically close, which induces strong Zn-3d-O-2p hybridization. This anomalous valence band cation-d-anion-p hybridization is affected when the localization of the Zn 3d-states is taken into account. Experimentally, the XES spectra show energy dependence in the spectral shape revealing selected excitations to the Zn 3d, 4s and 4p states, hybridized with O 2p states. Strong anisotropic effects are observed for the highly oriented ZnO rods, but not for the isotropic spherical nanoparticles. The nanostructured ZnO has primarily bulk XAS and XES properties.Submitted by Edileide Reis (leyde-landy@hotmail.com) on 2013-08-02T12:21:26Z No. of bitstreams: 1 1-s2.0-S0026269205004179-main.pdf: 208144 bytes, checksum: d3a1e52bdc5f79b6fda2844fdf09b208 (MD5)Approved for entry into archive by Rodrigo Meirelles(rodrigomei@ufba.br) on 2013-08-16T12:50:13Z (GMT) No. of bitstreams: 1 1-s2.0-S0026269205004179-main.pdf: 208144 bytes, checksum: d3a1e52bdc5f79b6fda2844fdf09b208 (MD5)Made available in DSpace on 2013-08-16T12:50:14Z (GMT). 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dc.title.pt_BR.fl_str_mv X-ray absorption and emission spectroscopy of ZnO nanoparticle and highly oriented ZnO microrod arrays
dc.title.alternative.pt_BR.fl_str_mv Microelectronics Journal
title X-ray absorption and emission spectroscopy of ZnO nanoparticle and highly oriented ZnO microrod arrays
spellingShingle X-ray absorption and emission spectroscopy of ZnO nanoparticle and highly oriented ZnO microrod arrays
Silva, A. Ferreira da
ZnO
Nanostructure
X-ray
Absorption
Emission
d-State localization
title_short X-ray absorption and emission spectroscopy of ZnO nanoparticle and highly oriented ZnO microrod arrays
title_full X-ray absorption and emission spectroscopy of ZnO nanoparticle and highly oriented ZnO microrod arrays
title_fullStr X-ray absorption and emission spectroscopy of ZnO nanoparticle and highly oriented ZnO microrod arrays
title_full_unstemmed X-ray absorption and emission spectroscopy of ZnO nanoparticle and highly oriented ZnO microrod arrays
title_sort X-ray absorption and emission spectroscopy of ZnO nanoparticle and highly oriented ZnO microrod arrays
author Silva, A. Ferreira da
author_facet Silva, A. Ferreira da
Persson, C.
Dong, C. L.
Vayssieres, L.
Augustsson, A.
Schmitt, T.
Mattesini, M.
Ahuja, Rajeev
Nordgren, J.
Chang, C. L.
Guo, J. H.
author_role author
author2 Persson, C.
Dong, C. L.
Vayssieres, L.
Augustsson, A.
Schmitt, T.
Mattesini, M.
Ahuja, Rajeev
Nordgren, J.
Chang, C. L.
Guo, J. H.
author2_role author
author
author
author
author
author
author
author
author
author
dc.contributor.author.fl_str_mv Silva, A. Ferreira da
Persson, C.
Dong, C. L.
Vayssieres, L.
Augustsson, A.
Schmitt, T.
Mattesini, M.
Ahuja, Rajeev
Nordgren, J.
Chang, C. L.
Guo, J. H.
Silva, A. Ferreira da
Persson, C.
Dong, C. L.
Vayssieres, L.
Augustsson, A.
Schmitt, T.
Mattesini, M.
Ahuja, Rajeev
Nordgren, J.
Chang, C. L.
Guo, J. H.
dc.subject.por.fl_str_mv ZnO
Nanostructure
X-ray
Absorption
Emission
d-State localization
topic ZnO
Nanostructure
X-ray
Absorption
Emission
d-State localization
description Texto completo: acesso restrito. p. 686–689
publishDate 2006
dc.date.issued.fl_str_mv 2006
dc.date.accessioned.fl_str_mv 2013-08-16T12:50:14Z
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv http://www.repositorio.ufba.br/ri/handle/ri/12588
dc.identifier.issn.none.fl_str_mv 0026-2692
dc.identifier.number.pt_BR.fl_str_mv v. 37 n. 8
identifier_str_mv 0026-2692
v. 37 n. 8
url http://www.repositorio.ufba.br/ri/handle/ri/12588
dc.language.iso.fl_str_mv eng
language eng
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.source.pt_BR.fl_str_mv http://dx.doi.org.ez10.periodicos.capes.gov.br/10.1016/j.mejo.2005.12.009
dc.source.none.fl_str_mv reponame:Repositório Institucional da UFBA
instname:Universidade Federal da Bahia (UFBA)
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reponame_str Repositório Institucional da UFBA
collection Repositório Institucional da UFBA
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