Abstract
The superiority of a local probe method over diffraction methods in determining the interface details is demonstrated by a comparison between Fe/Co and Fe/V superlattice data. From Mössbauer spectra, the higher interface quality in the Fe/Co superlattice was evident although the x-ray diffraction data were similar in the two cases. In fact, by comparison of the details of the Mössbauer spectrum for the Fe/Co case with published values of the magnetic hyperfine field for iron in cobalt no detectable roughness/intermixing was found. From the variation of the iron magnetic hyperfine field as a function of location of the iron atoms, with respect to the interface, the individual iron magnetic moments could be derived. The magnitudes of the magnetic moments thus obtained correlate well with recent calculated values.
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