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Type: Artigo de periódico
Title: A Raman Study Of The β-phase Of Lilo3
Author: Mendes Filho J.
Lemos V.
Cerdeira F.
Abstract: Polarized Raman spectra of LilO3 in its β-phase were taken at T = 10K, using single - crystalline samples. The spectrum breaks up into two distinct regions: high (ω > 760 cm-1) and low (ω < 500 cm-1) frequencies. The former is composed of three peaks for each symmetry type (Ag, Bg, Eg) and originate in stretching vibrations of the 103 - ion. Of the remaining 12 lines for each symmetry type, predicted by group theory in the second region, we identify all but three: two of Ag symmetry and one Eg symmetry. We also obtain values for the frequency, linewidth and relative intensity of all these modes. © 1983.
Rights: fechado
Identifier DOI: 10.1016/0038-1098(83)90890-6
Date Issue: 1983
Appears in Collections:Unicamp - Artigos e Outros Documentos

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