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Thermoremanence anomaly in Fe-Zr(B,Cu) Invar metallic glasses: Volume expansion induced ferromagnetism

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Hernando Grande, Antonio and Crespo del Arco, Patricia and Castaño, F. J. and Arcas, J. and Multigner, M. and Barandiarán, J. M. and Fernández Barquín, L. (2000) Thermoremanence anomaly in Fe-Zr(B,Cu) Invar metallic glasses: Volume expansion induced ferromagnetism. Physical review B, 61 (5). pp. 3219-3222. ISSN 1098-0121

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Official URL: http://dx.doi.org/10.1103/PhysRevB.61.3219


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Abstract

We report the existence of a thermally induced sharp increase of thermoremanence around the Curie temperature of Invar-like Fe-Zr(B,Cu) soft magnetic glasses. Neutron-diffraction measurements indicate that a true enhancement of the average local magnetic moment, rather than only a change in the domain structure, occurs. Such enhancement has been tentatively attributed to the increasing volume expansion that takes place beyond the Curie temperature and reinforces ferromagnetism in some low-density clusters.


Item Type:Article
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©2000 The American Physical Society

Uncontrolled Keywords:Amorphous Fe-Zr; Magnetic-properties; Alloys; Transition; Fe_(90)Zr_(10); State
Subjects:Sciences > Physics > Materials
Sciences > Physics > Solid state physics
ID Code:42236
Deposited On:20 Apr 2017 16:40
Last Modified:14 Feb 2018 15:11

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