CoO doping effects on the ZnO films through EBPDV technique

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dc.creatorBernardi, Maria Ines Basso
dc.creatorMaia, Lauro June Queiroz
dc.creatorAntonelli, Eduardo
dc.creatorMesquita, Alexandre
dc.creatorSiu-Li, Maximo
dc.creatorGama, Lucianna
dc.date.accessioned2018-07-30T14:52:13Z
dc.date.available2018-07-30T14:52:13Z
dc.date.issued2014
dc.description.abstractNanometric Zn1−xCoxO (x = 0.020, 0.025 and 0.030 in mol.%) nanopowders were obtained from low temperature calcination of a resin prepared using the Pechini’s method. Firing the Zn1−xCoxO resin at 400 ◦ C/2 h a powder with hexagonal structure was obtained as measured by X-ray diffraction (XRD). The powder presented average particle size of 40 nm observed by field emission scanning electronic microscopy (FE-SEM) micrographs and average crystallite size of 10 nm calculated from the XRD using Scherrer’s equation. Nanocrystalline Zn1−xCoxO films with good homogeneity and optical quality were obtained with 280–980 nm thicknesses by electron beam physical vapour deposition (EBPVD) under vacuum onto silica substrate at 25 ◦ C. Scanning electron microscopy with field emission gun showed that the film microstructure is composed by spherical grains and some needles. In these conditions of deposition the films presented only hexagonal phase observed by XRD. The UV-visible-NIR and diffuse reflectance properties of the films were measured and the electric properties were calculated using the reflectance and transmittance spectra.pt_BR
dc.identifier.citationBERNARDI, Maria Inês Basso; MAIA, Lauro June Queiroz; ANTONELLI, Eduardo; MESQUITA, Alexandre; SIU-LI, Máximo; GAMA, Lucianna. CoO doping effects on the ZnO films through EBPDV technique. The European Physical Journal Applied Physics, Les Ulis, v. 65, e30301, 2014.pt_BR
dc.identifier.doi10.1051/epjap/2014130225
dc.identifier.issne- 1286-0050
dc.identifier.urihttp://repositorio.bc.ufg.br/handle/ri/15499
dc.language.isoengpt_BR
dc.publisher.countryFrancapt_BR
dc.publisher.departmentInstituto de Física - IF (RG)pt_BR
dc.rightsAcesso Abertopt_BR
dc.titleCoO doping effects on the ZnO films through EBPDV techniquept_BR
dc.typeArtigopt_BR

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