Imaging of magnetic surfaces by detection of photothermally modulated stray fields

Abstract

Images from surfaces of ferroand ferrimagnetic solids are obtained by photothermal modulation of magnetic properties by a focused laser beam and by measuring the surface stray fields using a sensor coil. The lateral resolution is about 10 pm. The method was applied to a sample consisting of cementite plates in an austenite matrix and to monocrystalline… (More)

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