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Title: Systematic study of the temperature dependence of the saturation magnetization in Fe, Fe-Ni and Co-based amorphous alloys
Author: Liniers Vazquez, Macarena
Flores, J.
Bermejo, F. J.
González-Miranda, J. M. (Jesús Manuel)
Vicent, J. L.
Tejada Palacios, Javier
Keywords: Propietats magnètiques
Materials ferromagnètics
Substàncies amorfes
Magnetic properties
Ferromagnetic materials
Amorphous substances
Issue Date: 1989
Publisher: IEEE
Abstract: Magnetization versus temperature in the temperature interval 2-200 K was measured for amorphous alloys of three different compositions: Fe 81.5B14.5Si4, Fe40Ni38 Mo4B18, and Co70Fe5Ni 2Mo3B5Si15. The measurements were performed by means of a SQUID (superconducting quantum interference device) magnetometer. The aim was to extract information about the different mechanisms contributing to thermal demagnetization. A powerful data analysis technique based on successive minimization procedures has demonstrated that Stoner excitations of the strong ferromagnetic type play a significant role in the Fe-Ni alloy studied. The Fe-rich and Co-rich alloys do not show a measurable contribution from single-particle excitations.
Note: Reproducció del document publicat a
It is part of: IEEE Transactions on Magnetics, 1989, vol. 25, núm. 5, p. 3363-3365.
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ISSN: 0018-9464
Appears in Collections:Articles publicats en revistes (Física de la Matèria Condensada)

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