Abstract
CdTe smoke particles prepared by evaporating CdTe powder in Ar gas were studied by electron microscopy. The zinc-blende particles were formed in an atmosphere of Ar containing an excess Te vapor. The wurtzite particles were formed in an atmosphere of Ar containing an excess of Cd vapor. The lattice images of the CdTe crystal particles prepared by evaporating CdTe powder showed that the particles were composed of pure CdTe crystal. Tetrapod crystals with the wurtzite structure and with the zinc-blende structure grew from nuclei which have been identified to have the zinc-blende structure. A thin layer skin-like mechanism was observed on the particles formed by the excess Te vapor.
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