Abstract
Recent studies of surface properties of II–VI compounds are reviewed. Chemical compositions and stoichiometry of the low-indexed surfaces of (110), {111} and (100) are described for CdTe, ZnTe and ZnSe. Symmetries in low-energy-electron diffraction (LEED) are summarized for the low-indexed surfaces described above and also for the {0001} surfaces of ZnO, CdSe, and CdS. LEED studies of reconstructions of CdTe(110) and ZnTe(110) surfaces are presented in some detail, based on both dynamical and kinematical treatments. An attempt has been made to determine the dispersion of the occupied surface state in CdTe(110) and ZnSe(110) surfaces using results given by angle-resolved photoemission spectroscopy. An oxide-layer formation with exposures to excited oxygen and metal-semiconductor interfaces are briefly stated.
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