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Type: Artigo de periódico
Title: Raman Characterization Studies Of Synthetic And Natural Mgal 2o4 Crystals
Author: Fraas L.M.
Moore J.E.
Salzberg J.B.
Abstract: Raman studies are reported for one natural and four synthetic MgAl 2O4 spinel crystals and symmetry assignments for the phonon modes of the spinel crystal structure are given. Deviations in the Raman selection rules are observed for the synthetic spinel crystals in the form of additional modes over and above those theoretically predicted. Also, detailed studies of one of the synthetic crystals show a probable disordering in the Mg-Al sites. Raman linewidths and violations of selection rules, as reported here, can aid in the characterization and quality control of synthetically grown crystals.
Rights: aberto
Identifier DOI: 
Date Issue: 1973
Appears in Collections:Unicamp - Artigos e Outros Documentos

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