Surface segregation in ceramic materials
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G. Petot-Ervas; C. Petot
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Article
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1990
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Elsevier Science
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English
โ 780 KB
This paper concerns the dynamic segregation of impurities in iono-covalent semiconducting compounds subject to large temperature changes. Simultaneously to the temperature gradient a chemical potential gradient takes place in these compounds. From the expression of the flux of mobile species (vacanc