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Crystallization kinetics and soft magnetic properties in metalloid-free (Fe,Co)90Zr10 amorphous and nanocrystalline alloys

 

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Opened Access Crystallization kinetics and soft magnetic properties in metalloid-free (Fe,Co)90Zr10 amorphous and nanocrystalline alloys
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Author: Blázquez Gámez, Javier Sebastián
Ipus Bados, Jhon Jairo
Conde Amiano, Clara Francisca
Cabrera, D.
Franco García, Victorino
Conde Amiano, Alejandro
Department: Universidad de Sevilla. Departamento de Física de la Materia Condensada
Date: 2014
Published in: Journal of Alloys and Compounds, 615S1, 552-555.
Document type: Article
Abstract: Microstructure and magnetic properties of metalloid-free (Fe100- xCox)90Zr10 amorphous and nanocrystalline alloys were characterized. Devitrification of these amorphous alloys occurs in two overlapped transformations leading to the formation of α-Fe(Co) and Fe(Co)Zr2 phases. Constant local Avrami exponents have been found for each individual process. Although Co-free alloy shows a larger grain size, crystalline fractions are similar for both alloys after equivalent annealing. Good soft magnetic properties at room temperature have been observed for amorphous and nanocrystalline alloy with x = 30, which exhibits an amorphous Curie temperature of 735 K. The x = 0 amorphous alloy is paramagnetic at room temperature and nanocrystalline samples exhibit a transition to superparamagnetic behavior
Cite: Blázquez Gámez, J.S., Ipus Bados, J.J., Conde Amiano, C.F., Cabrera, D., Franco García, V. y Conde Amiano, A. (2014). Crystallization kinetics and soft magnetic properties in metalloid-free (Fe,Co)90Zr10 amorphous and nanocrystalline alloys. Journal of Alloys and Compounds, 615S1, 552-555.
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URI: http://hdl.handle.net/11441/67085

DOI: 10.1016/j.jallcom.2014.01.095

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