Abstract
CoAg granular films are prepared by molecular beam epitaxy at 250 °C with Co concentration ranging from 25% to 100%. From the torque experimental curves, we determine the values of the magnetocrystalline anisotropy constants as a function of temperature. We follow the magnetization shift of these samples from perpendicular to in-plane direction with increasing Co concentration and we correlate this phenomenon to the analysis based on the minimization of the magnetocrystalline anisotropy energy expression.
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