Abstract
Various methods have been used to determine the exchange coupling, magnetocrystalline anisotropy energy, and complex switching behavior for epitaxially grown, antiferromagnetically coupled thin films of iron with interleaved chromium. In this paper, we determined the exchange coupling and magnetocrystalline anisotropy energy directly from the angle dependence of the magnetic free energy using torque magnetometry. The results are in very good agreement with ferromagnetic resonance, magnetization, and magnetoresistance measurements reported earlier on the same sample.
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