Abstract

The MnAs(1̄100) surface is investigated during growth by reflection high-energy electron diffraction (RHEED). (1×2), (1×1), (2×1) and (4×1) RHEED patterns have been observed by varying the growth conditions, indicating various stoichiometry dependent reconstructions. A phase diagram showing the dependence of the reconstructions on the growth parameters is presented. RHEED intensity oscillations have been found, evidencing layer-by-layer growth of MnAs.

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