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Epitaxially grown Mn2VAl films were fabricated on MgO (001) single crystalline substrates by using a sputtering technique. The resulting Mn2VAl films with substrate temperatures of Ts=500 and 600 °C showed an L21-ordered structure. The saturation magnetization was 150 emu/cm3 at 300 K for a sample with Ts=600 °C. Ferrimagnetic coupling between the Mn and V magnetic moments in the L21-Mn2VAl film was clearly demonstrated by soft x-ray magnetic circular dichroism. In previous studies, this coupling was found only in polycrystalline bulk samples examined by nuclear magnetic resonance.
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Kubota et al. (2009) studied this question.
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