Evidence for phase separation in amorphous Fe-Zr from chemical diffusion.

N. Karpe, Jørgen Bøttiger, Jakob Janting, KK Larsen

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Abstract

The chemical diffusion of iron in layered films of amorphous Fe-Zr and b.c.c. Fe and in amorphous Fe-Zr films with a composition profile have been investigated using Rutherford backscattering spectrometry. The compositional changes after annealing observed in these films provide evidence for a broad positive peak in the Gibbs free energy of amorphous Fe-Zr at around 50 at.% Zr consistent with phase separation of the amorphous state.
Original languageEnglish
JournalPhilosophical Magazine Letters
Volume63
Issue number6
Pages (from-to)309-314
ISSN0950-0839
Publication statusPublished - 1991
Externally publishedYes

Keywords

  • PHYSICS,
  • MAGNETIC-SUSCEPTIBILITY
  • ALLOYS

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