Please use this identifier to cite or link to this item:
Type: Artigo de periódico
Title: Three-dimensional Quantum-size Effect In Chemically Deposited Cadmium Selenide Films
Author: Hodes G.
Albu-Yaron A.
Decker F.
Motisuke P.
Abstract: Optical band gaps, Eg, up to 0.5 eV higher than in single-crystal samples, are observed for chemically deposited films of CdSe and explained in terms of a quantum-size effect, whereby the electrons are localized in individual crystallites. The increase in Eg depends strongly on deposition temperature, with the greatest increase obtained at the lowest temperature. Annealing at temperatures above the deposition temperature causes a decrease in Eg; this decrease is stronger at higher annealing temperature. Structural studies of the as-deposited layers showed them to be composed of microcrystalline, cubic CdSe, and electron microscopy resolved them into individual crystallites of typically 4080-A diameter, depending on deposition temperature. This is the first example reported of a three-dimensional quantum-size effect in a film. © 1987 The American Physical Society.
Citation: Physical Review B. , v. 36, n. 8, p. 4215 - 4221, 1987.
Rights: aberto
Identifier DOI: 10.1103/PhysRevB.36.4215
Date Issue: 1987
Appears in Collections:Unicamp - Artigos e Outros Documentos

Files in This Item:
File SizeFormat 
2-s2.0-0345187235.pdf804.06 kBAdobe PDFView/Open

Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.