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Proceedings Paper

Pulsed-laser and alpha particle irradiation effects in Fe-based glassy ferromagnets
Author(s): M. I. Toacsan; D. Barb; M. Sorescu; B. Constantinescu; L. Jeloaica
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Paper Abstract

A comparatively study of pulsed-laser and alpha particle irradiation effects in metallic glasses has been performed in order to understand the relationship between magnetic behavior and select variations in the structural characteristics of alloy phases. Samples of Fe78B13Si9 and Fe66Co18B15Si metallic glasses were irradiated with a pulsed excimer laser ((lambda) equals 308 nm, (tau) equals 10 ns) and alpha particle beams (W equals 2.8 MeV) using radiation doses of 1016 and 1017 cm-2. Irradiation-driven changes in the magnetic anisotropy and phase equilibrium of alloy samples were studied by Mossbauer Spectroscopy and scanning electron microscopy. The evolution of phases and microstructure during the radiation- induced amorphous-to-crystalline transformations or revitrification depend on the specific irradiation and sample composition.

Paper Details

Date Published: 2 July 1998
PDF: 7 pages
Proc. SPIE 3405, ROMOPTO '97: Fifth Conference on Optics, (2 July 1998); doi: 10.1117/12.312772
Show Author Affiliations
M. I. Toacsan, National Institute for Materials Physics (Romania)
D. Barb, National Institute for Materials Physics (Romania)
M. Sorescu, Duquesne Univ. (United States)
B. Constantinescu, National Institute for Physics and Nuclear Engineering Horia Hulubei (Romania)
L. Jeloaica, National Institute for Materials Physics (Romania)

Published in SPIE Proceedings Vol. 3405:
ROMOPTO '97: Fifth Conference on Optics
Valentin I. Vlad; Dan C. Dumitras, Editor(s)

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