A RAMAN-STUDY OF BI-4(GEXSI1-X)(3)O-12 CRYSTALS

Authors
BENEVENTI P BERSANI D LOTTICI PP KOVACS L
Citation
P. Beneventi et al., A RAMAN-STUDY OF BI-4(GEXSI1-X)(3)O-12 CRYSTALS, Solid state communications, 93(2), 1995, pp. 143-146
Citations number
15
Categorie Soggetti
Physics, Condensed Matter
Journal title
Solid state communications → ACNP
ISSN journal
00381098
Volume
93
Issue
2
Year of publication
1995
Pages
143 - 146
Database
ISI
SICI code
0038-1098(1995)93:2<143:AROBC>2.0.ZU;2-9
Abstract
The Raman spectra of Bi4Ge3O12 and Bi4Si3O12 monocrystals grown by the Czochralski method and of Bi-4(GeXSi1-X)(3)O-12 mixed crystals, obtai ned by devetrification of the 2Bi(2)O(3).3[(GeO2)(X)(SiO2)(1-X)] glass es, are reported: The vibrational structure at low frequencies is foun d to be nearly independent from the composition whereas at higher freq uencies the vibrations may be attributed mainly to Ge-O and Si-O bonds in GeO4 and SiO4 tetrahedral units.