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Correlation between microstructure and temperature dependence of magnetic properties in Fe 60 Co 18 ( Nb , Zr ) 6 B 15 Cu 1 alloy series

 

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Opened Access Correlation between microstructure and temperature dependence of magnetic properties in Fe 60 Co 18 ( Nb , Zr ) 6 B 15 Cu 1 alloy series
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Author: Blázquez Gámez, Javier Sebastián
Franco García, Victorino
Conde Amiano, Clara Francisca
Conde Amiano, Alejandro
Ferenc, J.
Kulik, Tadeusz A.
Kiss, László Ferenc
Department: Universidad de Sevilla. Departamento de Física de la Materia Condensada
Date: 2009-05-14
Published in: Journal of Applied Physics, 105, 093928
Document type: Article
Abstract: Temperature dependence of magnetic properties of nanocrystalline Fe60Co18Cu1B15Nb6−xZrx (x =0, 3, 6) alloys has been studied at different stages of devitrification. Transmission electron microscopy shows nanocrystals of the size �5 nm, which remains almost constant along the nanocrystallization process. Curie temperature of the residual amorphous phase decreases as nanocrystallization progresses for all the studied alloys. Thermal dependence of the exchange stiffness constant is obtained from the measurement of specific magnetization and coercivity as a function of crystalline fraction and temperature for the three studied alloys.
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URI: http://hdl.handle.net/11441/33203

DOI: http://dx.doi.org/10.1063/1.3125515

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