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OBSERVATIONS OF MICROSTRUCTURES OF CRYSTAL SURFACES BY REFLECTION ELECTRON MICROSCOPY

LI ZONG-QUAN SHEN HUI QIN YONG

OBSERVATIONS OF MICROSTRUCTURES OF CRYSTAL SURFACES BY REFLECTION ELECTRON MICROSCOPY

LI ZONG-QUAN, SHEN HUI, QIN YONG
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  • Received Date:  27 March 1990
  • Published Online:  28 June 2005

OBSERVATIONS OF MICROSTRUCTURES OF CRYSTAL SURFACES BY REFLECTION ELECTRON MICROSCOPY

  • 1. 中国科学院固体物理研究所,合肥,230031

Abstract: The surface microstructures of spherical Pt single crystals are studied by reflection electron microscopy, and the defect configurations in the crystals are also analysed. Dislocations and low angle grain boundaries appear in the initial stage of the solidification of liquid drops. In the following annealing, the dislocation density decreases and single crystals are formed owing to the movements of dislocations in the grains to the subgrain boundaries, and those in the subgrain boundaries to the surfaces of crystals.

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