Abstract
Antimony cleavage faces have been evaporated in vacuum and decorated with platinum by the technique of Bassett. Subsequently the decoration patterns have been studied in the transmission electron microscope. At low evaporation temperatures zig-zag line patterns have been found. The lines form angles of 60° and have been interpreted as slip steps. At higher evaporation temperatures triangular decoration patterns in two orientations, and triangular evaporation spirals have been observed. Furthermore, the interaction of steps, twist boundaries and the path of a moving dislocation have been found. The observed decoration patterns were interpreted. From the decoration pattern of the coalescence of “Lochkeim” steps and steps of screw dislocations, a unimolecular step height (3.76 Å) must be assumed.
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