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Magnetostriction Related Effects in Pulsed Laser Irradiation of Amorphous Magnets

Published online by Cambridge University Press:  10 February 2011

Monica Sorescu  and
S. A. Schafer
Monica Sorescu
Affiliation:
Duquesne University, Physics Department, Pittsburgh, Pennsylvania 15282-1503
S. A. Schafer
Affiliation:
Oklahoma State University, Physics Department, Stillwater, Oklahoma 74078-0444
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Abstract

Samples of Fe66Co18B15Si1, Fe40Ni38Mo4B18 and Fe72.6Cr22Al4.8Si0.3Y0.3 metallic glasses were irradiated with a pulsed alexandrite laser (λ=750 nm, τ=60 μs) using different laser fluences. Irradiation-induced structural and property modifications were characterized using Mössbauer spectroscopy. Complementary information was obtained from hysteresis loop measurements and scanning electron microscopy (SEM). The experimental data obtained demonstrate the key role played by the magnetostriction constant in explaining the mechanism of irradiation-induced phase transformations in amorphous magnets.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 504: Symposium KK – Atomistic Mechanisms in Beam Synthesis & Irradiation… , 1997 , 209
Copyright
Copyright © Materials Research Society 1998

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References

REFERENCES

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