Abstract
The angular distributions of ions reflected from a SnTe(001) surface are measured for a glancing angle incidence of MeV protons and He + ions, with the glancing angle less than 7 mrad. The observed angular distributions are compared with the calculated distributions derived from the stochastic theory taking account of both the thermal vibration of surface atoms and the scattering by electrons near the surface. From comparison of the experimental and calculated results the surface Debye temperature is determined to be 72 ±6 K.
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