https://repositorio.ufba.br/handle/ri/12588
Campo DC | Valor | Idioma |
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dc.contributor.author | Silva, A. Ferreira da | - |
dc.contributor.author | Persson, C. | - |
dc.contributor.author | Dong, C. L. | - |
dc.contributor.author | Vayssieres, L. | - |
dc.contributor.author | Augustsson, A. | - |
dc.contributor.author | Schmitt, T. | - |
dc.contributor.author | Mattesini, M. | - |
dc.contributor.author | Ahuja, Rajeev | - |
dc.contributor.author | Nordgren, J. | - |
dc.contributor.author | Chang, C. L. | - |
dc.contributor.author | Guo, J. H. | - |
dc.creator | Silva, A. Ferreira da | - |
dc.creator | Persson, C. | - |
dc.creator | Dong, C. L. | - |
dc.creator | Vayssieres, L. | - |
dc.creator | Augustsson, A. | - |
dc.creator | Schmitt, T. | - |
dc.creator | Mattesini, M. | - |
dc.creator | Ahuja, Rajeev | - |
dc.creator | Nordgren, J. | - |
dc.creator | Chang, C. L. | - |
dc.creator | Guo, J. H. | - |
dc.date.accessioned | 2013-08-16T12:50:14Z | - |
dc.date.issued | 2006 | - |
dc.identifier.issn | 0026-2692 | - |
dc.identifier.uri | http://www.repositorio.ufba.br/ri/handle/ri/12588 | - |
dc.description | Texto completo: acesso restrito. p. 686–689 | pt_BR |
dc.description.abstract | The 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. | pt_BR |
dc.language.iso | en | pt_BR |
dc.source | http://dx.doi.org.ez10.periodicos.capes.gov.br/10.1016/j.mejo.2005.12.009 | pt_BR |
dc.subject | ZnO | pt_BR |
dc.subject | Nanostructure | pt_BR |
dc.subject | X-ray | pt_BR |
dc.subject | Absorption | pt_BR |
dc.subject | Emission | pt_BR |
dc.subject | d-State localization | pt_BR |
dc.title | X-ray absorption and emission spectroscopy of ZnO nanoparticle and highly oriented ZnO microrod arrays | pt_BR |
dc.title.alternative | Microelectronics Journal | pt_BR |
dc.type | Artigo de Periódico | pt_BR |
dc.identifier.number | v. 37 n. 8 | pt_BR |
dc.embargo.liftdate | 10000-01-01 | - |
Aparece nas coleções: | Artigo Publicado em Periódico (FIS) |
Arquivo | Descrição | Tamanho | Formato | |
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1-s2.0-S0026269205004179-main.pdf Restricted Access | 203,27 kB | Adobe PDF | Visualizar/Abrir Solicitar uma cópia |
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