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Measurement of chemical diffusion coefficient of Ag atoms in α-Ag2X with atomic probe

✍ Scribed by T. Ohachi; I. Taniguchi

Publisher: Elsevier Science
Year: 1977
Tongue: English
Weight: 369 KB
Volume: 22
Category: Article
ISSN: 0013-4686
DOI: 10.1016/0013-4686(77)80030-3

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✦ Synopsis

Abstrae-The transport equations of Ag excess metal in a-A&X (X = S, Se and Te) are derived for non-isothermal systems from irreversible thermodynamics. The dependence of the chemical diffusion coefficients of excess Ag atoms in a-Ag,X on the concentration of the excess Ag atoms was measured by a conventional transient method. The transport of metal excess and vacancy in c+Ag,X was consistent with the information from the curve of cou1ometric titration.

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