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Titre: Synthesis, structural and magnetic properties of Co 100-x Pd x /GaAs thin films
Auteur(s): Bourezg, Ahlem
Kharmouche, Ahmed
Mots-clés: CoPd system
Thin films
Hysteresis curves
X-ray diffraction
Date de publication: 25-déc-2018
Collection/Numéro: Vacuum;155; september 2018, Pages 612-618
Résumé: Series of binary Co100-xPdx thin films are deposited onto GaAs (100) single-crystal semiconductor substrates by using thermal heating process under vacuum. The chemical compositions are analyzed by X-Ray Fluorescence technique, and the film morphologies are investigated by atomic force microscopy tools. The micro structural properties are studied using X-ray diffractometry. The static magnetic properties have been investigated by means of a vibrating sample magnetometer. The hysteresis loops display magnetization curves for ferromagnetic samples with the easy axis in the plane of the film. The coercive field ranges from 2 to 20 kA m−1 and decreases as a function of the grain size. The saturation magnetization decreases as the palladium content increases. Value of the squareness up to 98% has been found. These findings and others are analyzed and correlated.
Description: Received 29 May 2018; Received in revised form 20 June 2018; Accepted 26 June 2018 Available online 28 June 2018
URI/URL: http://dspace.univ-setif.dz:8888/jspui/handle/123456789/3036
ISSN: 0042-207X
Collection(s) :Articles

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