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RHEED images during epitaxial growth of on different substrates. Left column: annealed substrate surfaces; right column: after growth of MnGa. (a) and (b) Along . (c) and (d) Along . (e) and (f) Along .
XRD spectra of the epitaxial films grown on various substrates at . Main peaks are identified and marked in each figure; lower panel: table summarizing derived lattice constants.
[(a)–(c)] In-plane and out-of-plane magnetic hysteresis loops of the films grown on various substrates. (d) Table summarizing the saturation magnetization ; in-plane and out-of-plane remnant magnetization and ; coercive fields and (kOe); and calculated easy axis angle (deg) with respect to the film normal for the grown films.
Left: Unit cell of . Right: Comparison of the  crystalline directions with the determined magnetic easy axis (). For MnGa/sapphire, corresponds to the (111) oriented domain and corresponds to (101) oriented domain, with length weighted based on atomic concentration.
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