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Type: Artigo de periódico
Title: Phase-resolved Photoacoustic Spectroscopy And Epr Investigation Of Mno2- And Coo-doped Soda-lime Glasses
Author: Baesso M.L.
Mansanares A.M.
Da Silva E.C.
Vargas H.
Miranda L.C.M.
Abstract: A discussion on the use of the phase shifts of the photoacoustic signal of different constituents of a composite sample for resolving their individual spectra is presented. It is experimentally shown that as long as we are interested in a qualitative analysis the method is simple and fast. For a quantitative analysis in which the nonradiative relaxation time and the characteristic diffusion time within the optical-absorption depth are sought, the method presents some limitations. This is demonstrated using MnO2- and CoO-doped soda-lime silica glass samples. © 1989 The American Physical Society.
Rights: aberto
Identifier DOI: 10.1103/PhysRevB.40.1880
Date Issue: 1989
Appears in Collections:Unicamp - Artigos e Outros Documentos

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