We have studied the electronic structure of the interfaces in bct Fe/V (001) superlattices (SL's) grown on MgO(001) with soft-x-ray emission spectroscopy. Two samples with different thicknesses of Fe and V were investigated: [(V)₂/(Fe)₅{]}₆₀$ and [(V${)}₅$/(Fe${)}₂]₆₀. The samples were characterized by x-ray diffraction showing high-quality interfaces. Our x-ray L-emission spectra of Fe and V show that the 3d bands are considerably narrowed for the [(V)₅/(Fe)₂{]}₆₀$ SL, which is in agreement with first-principles band-structure calculations. Superconducting quantum interference device measurements for the [(V${)}₅$/(Fe${)}₂]₆₀ SL reveal that the total magnetic moment is only 0.65μB and the Curie temperature is about {~}200 K, whereas the [(V)₂/(Fe)₅{]}₆₀$ SL shows magnetic properties consistent with bulklike iron layers. {} 1996 The American Physical Society.
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Duda et al. (1996) studied this question.
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