MICROWAVE-ASSISTED SOLID-STATE SYNTHESIS OF OXIDE-ION CONDUCTING STABILIZED BISMUTH VANADATE PHASES

Authors
VAIDHYANATHAN B BALAJI K RAO KJ
Citation
B. Vaidhyanathan et al., MICROWAVE-ASSISTED SOLID-STATE SYNTHESIS OF OXIDE-ION CONDUCTING STABILIZED BISMUTH VANADATE PHASES, Chemistry of materials, 10(11), 1998, pp. 3400-3404
Citations number
20
Categorie Soggetti
Chemistry Physical","Material Science
Journal title
Chemistry of materials → ACNP
ISSN journal
08974756
Volume
10
Issue
11
Year of publication
1998
Pages
3400 - 3404
Database
ISI
SICI code
0897-4756(1998)10:11<3400:MSSOOC>2.0.ZU;2-T
Abstract
A microwave-assisted method for the preparation of substituted bismuth vanadates has been described. The method consists of starting with th e respective oxides mixed in stoichiometric proportions and exposing t he mixture to microwaves. Substitution takes place at the vanadium sit es and it has been possible to prepare Ag+-, Mn4+-, Ga3+-, Y3+-, and C e4+-substituted compounds with up to 10% substitution. Mn4+- and Ag+-s ubstituted compounds are found to exhibit better oxygen ion conductivi ties than any reported so far in the literature.