Abstract
Ferromagnetic MnSb thin films were grown on GaAs (100) substrates by the hot-wall epitaxy (HWE) technique using polycrystalline powders of MnSb as an evaporation source. The source and substrate temperatures were 650-700°C and 300-500°C, respectively. The (10.1) oriented MnSb films of nearly stoichiometric composition were grown on (100) GaAs. The polar magneto-optical Kerr rotation and ellipticity spectra were measured in the films, and showed almost the same spectral shape as that reported previously in bulk single crystals, except that the magneto-optical effect of the films was larger in the high-energy region than that of the single crystals.
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