Abstract
Detailed ESCA studies of sputtered amorphous CoNbZr film, carried out after a period of one year, reveal that Zr oxidises violently and migrates to the surface. Oxidation of Nb is limited to top layers (∼ 300 Å) while Co remains metallic through out the film. The film beyond 600 Å down to the substrate interface is quite homogeneous. Such information could be of importance in some applications of these materials.
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