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

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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.

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Reproducció digital del document publicat en format paper, proporcionada per PROLA i http://dx.doi.org/10.1103/PhysRevB.47.11848

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Articles publicats en revistes (Física de la Matèria Condensada)

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