Nax/2Bi1-x/2MoxV1-xO4 and Bi1-x/3MoxV1-xO4 new Scheelite-related phases

被引：15

作者：

Duraisamy, T ^{[1
]}

Ramanan, A ^{[1
]}

机构：

[1] Indian Inst Technol, Dept Chem, New Delhi 110016, India

来源：

SOLID STATE IONICS | 1999年 / 120卷 / 1-4期

关键词：

bismuth oxide; vanadium oxide; molybdenum oxide; Scheelite structure;

D O I：

10.1016/S0167-2738(98)00550-5

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

New Scheelite-related solid solutions of the compositions Nax/2Bi1-x/2MoxV1-xO4 (0 less than or equal to x less than or equal to 1) and Bi1-x/3 MoxV1-xO4(0 less than or equal to x less than or equal to 0.2) have been synthesised by the substitution of Na and Mo at the A and B sites respectively of the ABO, type ferroelastic BiVO4. The phases were characterised using chemical analysis, powder X-ray diffraction, scanning electron microscopy, EDAX, and Raman spectroscopy. While almost a continuous solid solution is obtained for the series Nax/2Bi1-x/2MoxV1-xO4, the absence of Na at the A-site results only in a narrow stability region for the other series, Bi1-x/3 MoxV1-xO4 where 0 less than or equal to x less than or equal to 0.2. Raman spectra of selected samples at room temperature also suggest that vanadium and molybdenum atoms are disordered at the tetrahedral sites. (C) 1999 Elsevier Science B.V. All rights reserved.

引用

页码：233 / 237

页数：5

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