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Temperature dependence of hyperfine magnetic fields in Fe-Co alloys

Hamdeh, H. H. and Okamoto, J. and Fultz, B. (1990) Temperature dependence of hyperfine magnetic fields in Fe-Co alloys. Physical Review B, 42 (10). pp. 6694-6696. ISSN 0163-1829. doi:10.1103/PhysRevB.42.6694.

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A Mössbauer spectrometry study of bcc Fe-Co alloys was performed to measure the 57Fe hyperfine-field parameters from 77 to 900 K. The temperature dependence of the 57Fe hyperfine magnetic field in Fe-Co alloys was similar, although not identical, to that of 57Fe in pure Fe. These results are understood if the alignment of magnetic moments at Fe atoms is only slightly more temperature dependent than at Co atoms. This situation for Fe-Co is significantly different from that of Fe-Ni alloys, indicating that the interatomic exchange interactions in Fe-Co alloys are stronger than in Fe-Ni.

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Fultz, B.0000-0002-6364-8782
Additional Information:© 1990 The American Physical Society Received 26 April 1990 This work was supported by the U.S. Department of Energy under Grant No. DE-FG03-86ER45270.
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Department of Energy (DOE)DE-FG03-86ER45270
Issue or Number:10
Record Number:CaltechAUTHORS:HAMprb90
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:6079
Deposited By: Archive Administrator
Deposited On:16 Nov 2006
Last Modified:08 Nov 2021 20:31

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