Browsing by Subject Vacancy bubbles

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  • Authors: Pham, Huu Kien; Pham, Khac Hung; Vu, Van Hung (2010)

  • Simulation of the diffirsion mechanism via microscopic bubbles in amorphous materials is carried out using the statistical relaxation models Cos.5Bft.5 containing 2 x 105 atoms. The present work is focused on the role of these bubbles for self-diffirsion in amorphous solids. It was found that the numbers'of the vacancy bubbles in amorphous Cog1."B1g ,b vary from 1.4 x 10-3 to 4 x 10-3 per atom depending on the relaxation degree. The simulation shows the collective character of the atomic movement upon diffirsion atoms moving. Due to the large size in comparison with B atom, the jump of a Co diffirses atom leads to a significant local rearrangement of the atoms located near the VB. Mea...

Browsing by Subject Vacancy bubbles

Jump to: 0-9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
or enter first few letters:  
Showing results 1 to 1 of 1
  • 115.pdf.jpg
  • Article


  • Authors: Pham, Huu Kien; Pham, Khac Hung; Vu, Van Hung (2010)

  • Simulation of the diffirsion mechanism via microscopic bubbles in amorphous materials is carried out using the statistical relaxation models Cos.5Bft.5 containing 2 x 105 atoms. The present work is focused on the role of these bubbles for self-diffirsion in amorphous solids. It was found that the numbers'of the vacancy bubbles in amorphous Cog1."B1g ,b vary from 1.4 x 10-3 to 4 x 10-3 per atom depending on the relaxation degree. The simulation shows the collective character of the atomic movement upon diffirsion atoms moving. Due to the large size in comparison with B atom, the jump of a Co diffirses atom leads to a significant local rearrangement of the atoms located near the VB. Mea...