The Dynamical Observation of α-Sn (111) This Films Grown on InSb (1̄1̄1̄) by RHEED

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Abstract
The α-Sn (111) films of 150 monolayers (ML) will grow at room temperature on thermally cleaned InSb (1̄1̄1̄) substrates having a 2×2 reconstructed surface. The α-Sn (111) surfaces are observed to most clearly exhibit a 3×3 reconstruction at a film thickness of 30 ML by reflection high energy electron diffraction (RHEED). When the 30 ML films are heated at 170°C, the liquid phase begins to appear without the transition to the β-phase. From these result, effects of the InSb (1̄1̄1̄) substrate on the thermal stability of the α-Sn (111) film are discussed.