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Surface characterization of rhodium–copper alloys

✍ Scribed by M. P. Delplancke; M. Jardinier-Offergeld; F. Bouillon

Publisher
John Wiley and Sons
Year
1990
Tongue
English
Weight
300 KB
Volume
16
Category
Article
ISSN
0142-2421

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✦ Synopsis

Abstract

This paper presents the results of a surface analysis of copper–rhodium alloys by Auger electron spectroscopy during heat treatments under vacuum. It is shown that copper segregation takes place in the first atomic layer at every rhodium concentration. Special attention is given to the influence of diffusion rate on the composition of the surface region. The results are compared with theoretical models. A segregation enthalpy is determined for a 1.5 at.% Rh alloy at 873 K.

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