Lattice Defects in Zinc Sulphide Whiskers

Abstract
An electron microscope investigation was made on lattice defects in zinc sulphide whiskers. Axial screw dislocations were observed in whiskers parallel to . This supports the screw dislocation mechanism of whisker growth. Bicrystal structures were also found in whiskers parallel to , and plane defects on (0001) in whiskers parallel to . It is concluded that an alternative mechanism of growth must be considered for whiskers having a bicrystal structure.

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