Dynamics and structure of TeO2 polymorphs:: model treatment of paratellurite and tellurite;: Raman scattering evidence for new γ- and δ-phases

被引：164

作者：

Mirgorodsky, AP ^{[1
]}

Merle-Méjean, T ^{[1
]}

Champarnaud, JC ^{[1
]}

Thomas, P ^{[1
]}

Frit, B ^{[1
]}

机构：

[1] Univ Limoges, Fac Sci, Lab Mat Ceram & Traitement Surface, F-87000 Limoges, France

来源：

JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS | 2000年 / 61卷 / 04期

关键词：

oxides; glasses; Raman spectroscopy; infra-red spectroscopy; elastic properties;

D O I：

10.1016/S0022-3697(99)00263-2

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The joint lattice-dynamical model study of the vibrational and elastic properties of paratellurite (alpha-TeO2) and tellurite (beta-TeO2) has been conducted. Emphasis was laid on the crystal chemistry aspects of Raman spectra of these lattices. Results were used to interpret the Raman spectra of two new polymorphs (gamma and delta) of tellurium dioxide, and to clarify their relationships with the spectrum of pure TeO2 glass. (C) 2000 Published by Elsevier Science Ltd. All rights reserved.

引用

页码：501 / 509

页数：9

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