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物理学报  1991 

OBSERVATIONS OF MICROSTRUCTURES OF CRYSTAL SURFACES BY REFLECTION ELECTRON MICROSCOPY
晶体表面微观结构的反射电子显微术观察

Keywords: 晶体,微结构,反射,电子显微术,表面

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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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