Structural disorder in two-dimensional random magnets: Very thin films of rare earths and transition metals

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Title:	Structural disorder in two-dimensional random magnets: Very thin films of rare earths and transition metals
Author:	Ruiz, J. M.; Zhang, Xixiang; Iglesias, Òscar; García Bach, Ma. de los Ángeles; Tejada Palacios, Javier
Other authors:	Universitat de Barcelona
Abstract:	The low-temperature isothermal magnetization curves, M(H), of SmCo4 and Fe3Tb thin films are studied according to the two-dimensional correlated spin-glass model of Chudnovsky. We have calculated the magnetization law in approach to saturation and shown that the M(H) data fit well the theory at high and low fields. In our fit procedure we have used three different correlation functions. The Gaussian decay correlation function fits well the experimental data for both samples.
Subject(s):	-Materials magnètics -Pel·lícules fines -Terres rares -Metalls de transició -Correlació (Estadística) -Magnetic materials -Thin films -Rare earths -Transition metals -Correlation (Statistics)
Rights:	(c) The American Physical Society, 1993
Document type:	Article Article - Published version
Published by:	The American Physical Society
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