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Enhanced remanence in nanocomposite of Y1-xSmxCo5/Co ribbons obtained by melt-spinning

Published online by Cambridge University Press:  22 July 2016

José L. Hidalgo ,
Maria C. Grijalva ,
José A. Matutes ,
Carlos W. Orquiz ,
Fernando L. De Araujo  and
Francisco A. Olímpio
José L. Hidalgo
Affiliation:
Instituto Tecnológico Superior de Poza Rica, Calle. Luis Donaldo Colosio S/N. Col. Arroyo del Maíz. C.P. 93230 Poza Rica, Veracruz – México.
Maria C. Grijalva
Affiliation:
Centro de Investigación en Materiales Avanzados, S. C., Miguel de Cervantes 120, Complejo Industrial Chihuahua, 3112, Chihuahua, Chihuahua - México.
José A. Matutes
Affiliation:
Centro de Investigación en Materiales Avanzados, S. C., Miguel de Cervantes 120, Complejo Industrial Chihuahua, 3112, Chihuahua, Chihuahua - México.
Carlos W. Orquiz
Affiliation:
Universidad Politécnica de la Región Ribereña. Libramiento Lázaro Cárdenas del Río # 325, Col Américo Villarreal Miguel Alemán, Tamaulipas.
Fernando L. De Araujo
Affiliation:
Departamento de Física, Universidade Federal de Pernambuco, 50670-901Recife-PE, Brazil.
Francisco A. Olímpio
Affiliation:
Departamento de geofísica. Universidade Federal do Rio Grande do Norte, 59072-970 Natal-RN, Brazil
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Abstract

The synthesis of alloys with nominal composition for Y1-xSmxCo5 by means of arc furnace and melt-spinning, is of critical scientific importance due that if replaced partially or completely the Samarium by the Yttrium is possible understand what contribution the earth element rare to the exchange interactions that guide to increased remnant magnetization in a nanocomposite. The alloys of Y1-xSmxCo5/Co obtained by melt-spun were characterized by x-ray diffraction with a compact hexagonal crystal structure the CaCu5 type. The alloys for nanocomposites of Y1-xSmxCo5/Co ribbons show ferromagnetic behavior with good magnetic properties, order to demonstrate this the magnetic properties were measured using a pulsed field magnetometer applying a high magnetic field in order to obtain a saturated magnetization curve and a high coercivity of 0.69 MA/m and an enhanced remanence of σr/σsat ratio equal to 0.57 were determined.

Keywords

X-ray diffractionGrain sizeFerromagnetic
Type
Articles
Information
MRS Online Proceedings Library (OPL) , Volume 1816: Symposium 5B – Structural and Chemical Characterization of Metals, Alloys and Compounds , 2016 , imrc2015absp8
Copyright
Copyright © Materials Research Society 2016 

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