Issue 19, 2005
From the journal:

Journal of Materials Chemistry

Thermochemical insights into refractory ceramic materials based on oxides with large tetravalent cations

Alexandra Navrotsky*a  

* Corresponding authors

a Thermochemistry Facility, University of California, Davis, One Shields Avenue, Davis, CA 95616, USA
E-mail: anavrotsky@ucdavis.edu

Abstract

Ceramic materials based on the fluorite structure and its derivatives are important for applications in solid oxide fuel cells, sensors, catalysts, gate dielectrics, thermal barrier coatings, and nuclear waste immobilization. The interplay of oxygen vacancy formation and short and long range ordering of vacancies and of cations determines the physical properties and dominates the thermodynamics of these materials. Recent calorimetric data for nanophase zirconia polymorphs, for yttria stabilized zirconia, hafnia, and ceria, and for a series of titanate pyrochlores illustrate the systematics of structure stability relations.

Graphical abstract: Thermochemical insights into refractory ceramic materials based on oxides with large tetravalent cations

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Article information

DOI
https://doi.org/10.1039/B417143H
Article type
Feature Article
Submitted
09 Nov 2004
Accepted
18 Feb 2005
First published
04 Mar 2005

J. Mater. Chem., 2005,15, 1883-1890

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Thermochemical insights into refractory ceramic materials based on oxides with large tetravalent cations

A. Navrotsky, J. Mater. Chem., 2005, 15, 1883 DOI: 10.1039/B417143H

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