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Type: Artigo de periódico
Title: Band-gap Shift In Cds: Phase Transition From Cubic To Hexagonal On Thermal Annealing
Author: Zelaya-Angel O.
Hernandez L.
de Melo O.
Alvarado-Gil J.J.
Lozada-Morales R.
Falcony C.
Vargas H.
Ramirez-Bon R.
Abstract: The band-gap energies of CdS grown by chemical-bath deposition are obtained by optical transmission and photoacoustic spectroscopy. These values and photoluminescence spectra are correlated over a range of thermal annealing temperature, in which the evolution of sample structure is characterized by X-ray diffraction patterns. With increasing annealing temperature, the band gap reaches a minimum value. It is suggested that at this temperature a transition from a cubic to a hexagonal lattice occurs. © 1995.
Rights: fechado
Identifier DOI: 10.1016/0042-207X(95)00111-5
Date Issue: 1995
Appears in Collections:Unicamp - Artigos e Outros Documentos

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