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Rf-Mössbauer Study of the Compositional Dependence of Short Range Order in Amorphous Fe-M-B-Cu Alloys

Published online by Cambridge University Press:  21 February 2011

M. Kopcewicz ,
A. Grabias  and
B. Idzikowski
M. Kopcewicz
Affiliation:
Institute of Electronic Materials Technology, Wólczyń, PL 01-919 Warsaw, Poland
A. Grabias
Affiliation:
Institute of Electronic Materials Technology, Wólczyń, 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

The radio-frequency collapse of the magnetic hyperfine structure in the Mössbauer spectra is employed to study directly the short range order in amorphous Fe-M-B-Cu (M: Zr, Ti, Ta, Nb, Mo) alloys via the electric quadrupole hyperfine interaction. The shape of the quadrupole splitting distributions obtained from the rf collapsed spectra strongly suggests the existence of two short range orders with a high and low local content of iron. The decrease of boron content in FeZrB alloys leads to a more symmetric local structure experienced by Fe atoms.

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Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 577: Symposium H – Advanced Hard and Soft Magnetic Materials , 1999 , 563
Copyright
Copyright © Materials Research Society 1999

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References

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