Interaction of small and extended defects in nonstoichiometric oxides

L. A. Bursill; David J. Smith

doi:10.1038/309319a0

Interaction of small and extended defects in nonstoichiometric oxides

L. A. Bursill, David J. Smith

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Abstract

Analyses of the extrinsic and/or intrinsic nature of extended defects in nonstoichiometric titanium and tungsten oxides are made by drawing Burgers' circuits directly onto high-resolution electron micrographs. The essentially interstitial and/or vacancy nature of the small defects responsible for the phases TiO_2-x and WO_3-X , which exist above the extended defect precipitation temperature, may then be implied. Images suggesting a partial wall of anion vacancy defects have also been obtained.

Original language	English (US)
Pages (from-to)	319-321
Number of pages	3
Journal	Nature
Volume	309
Issue number	5966
DOIs	https://doi.org/10.1038/309319a0
State	Published - Dec 1 1984
Externally published	Yes

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abstract = "Analyses of the extrinsic and/or intrinsic nature of extended defects in nonstoichiometric titanium and tungsten oxides are made by drawing Burgers' circuits directly onto high-resolution electron micrographs. The essentially interstitial and/or vacancy nature of the small defects responsible for the phases TiO2-x and WO3-X , which exist above the extended defect precipitation temperature, may then be implied. Images suggesting a partial wall of anion vacancy defects have also been obtained.",

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AB - Analyses of the extrinsic and/or intrinsic nature of extended defects in nonstoichiometric titanium and tungsten oxides are made by drawing Burgers' circuits directly onto high-resolution electron micrographs. The essentially interstitial and/or vacancy nature of the small defects responsible for the phases TiO2-x and WO3-X , which exist above the extended defect precipitation temperature, may then be implied. Images suggesting a partial wall of anion vacancy defects have also been obtained.

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Interaction of small and extended defects in nonstoichiometric oxides

Abstract

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