Nondestructive evaluation of magnetic materials by ferromagnetic-resonance photothermal-deflection spectroscopy

Abstract
Detection of ferromagnetic resonance (FMR) by photothermal beam deflection has been used to study the spatial inhomogeneity of magnetic properties. The technique has been applied to measure the depth dependence of FMR in layered recorder tapes and to determine the lateral variation of the demagnetizing field in metal–glass ribbons.

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