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Surface Analysis Of The Nanocrystalline Fe-Based Alloys By Conversion Electron Mossbauer Spectroscopy

Published online by Cambridge University Press:  21 February 2011

A. Grabias ,
M. Kopcewicz  and
B. Idzikowski
A. Grabias
Affiliation:
Institute of Electronic Materials Technology, Wólczyńska 133, PL 01-919 Warsaw, Poland
M. Kopcewicz
Affiliation:
Institute of Electronic Materials Technology, Wólczyńska 133, PL 01-919 Warsaw, Poland
B. Idzikowski
Affiliation:
Institute of Molecular Physics, Polish Academy of Sciences, M. Smoluchowskiego 17, PL 60-179 Poznań, Poland
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Abstract

A combined conversion electron and γ-transmission Mössbauer spectroscopy is applied to investigate the differences in the surface and bulk crystallization of the amorphous Fe-M-B-Cu (M: Zr, Ti, Nb, Ta) alloys. It is shown that the surface crystallization occurs at an annealing temperature lower than in the bulk. The nanocrystalline bcc Fe phase is significantly more abundant at the surface than in the bulk in the entire annealing temperature range.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 577: Symposium H – Advanced Hard and Soft Magnetic Materials , 1999 , 543
Copyright
Copyright © Materials Research Society 1999

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References

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