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

被引：36

作者：

BENEVENTI, P ^{[1
]}

BERSANI, D ^{[1
]}

LOTTICI, PP ^{[1
]}

KOVACS, L ^{[1
]}

机构：

[1] HUNGARIAN ACAD SCI,CRYSTAL PHYS RES LAB,H-1112 BUDAPEST,HUNGARY

来源：

SOLID STATE COMMUNICATIONS | 1995年 / 93卷 / 02期

关键词：

D O I：

10.1016/0038-1098(94)00743-8

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

The Raman spectra of Bi4Ge3O12 and Bi4Si3O12 monocrystals grown by the Czochralski method and of Bi-4(GeXSi1-X)(3)O-12 mixed crystals, obtained by devetrification of the 2Bi(2)O(3).3[(GeO2)(X)(SiO2)(1-X)] glasses, are reported: The vibrational structure at low frequencies is found to be nearly independent from the composition whereas at higher frequencies the vibrations may be attributed mainly to Ge-O and Si-O bonds in GeO4 and SiO4 tetrahedral units.

引用

页码：143 / 146

页数：4

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