The Time-Dependence Growth of Metallic Crystal Ultrafine Particles

  • By using x-ray diffraction technique and transmission electron microscopy the in situ growth property of metal crystal ultrafine particles(CUFP) which are deposited on the silica-substrates have been studied experimentially. It is found that the diffraction intensity and the nucleus diameter of Ag CUFP are grown with time by power-law. Thus, the changes of crystal nucleus and the structure of Ag CUFP with time shows a crystallization trend, at the same time, the in situ growth of Ag CUFP displays a self-similarity character.

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