Caracterização magnética de filmes de cromo e cromocobalto preparados por eletrodeposição
Bertelli, Tiago Pulce
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Magnetic properties of electrodeposited of chromium and chromium-cobalt thin films on cooper substrate were investigated. The samples were prepared without introduction of additives. This procedure following to samples with granular structure. Magnetization measurements as a function of applied magnetic field and temperature show that the magnetic behavior exhibit a strong dependence on the thickness of the electrodeposited film and the samples presents a superparamagnetic behavior associated with the formation of ferromagnetism surface.