The Temperature Dependence of the Atoms Co Diffusion Coefficient in Pt80Co20(111) Alloy

Abstract:

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The method of Ionization Spectroscopy is used to study the thermo-induced kinetics of surface segregation of the Pt80Co20(111) alloy components. The temperature dependence of the Co diffusion coefficient in this alloy is determined. It is found that the value of the activation energy for the segregation of Co atoms in the near-surface region is close to the heat of sublimation of pure Co.

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Periodical:

Edited by:

David J. Fisher

Pages:

19-23

DOI:

10.4028/www.scientific.net/DDF.265.19

Citation:

M. Vasylyev et al., "The Temperature Dependence of the Atoms Co Diffusion Coefficient in Pt80Co20(111) Alloy", Defect and Diffusion Forum, Vol. 265, pp. 19-23, 2007

Online since:

May 2007

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$35.00

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