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  • Friday, November 1, 2002
  • Mechanical percolation and structural transition in Ge–S–Bi bulk glasses
  • Published at:Materials Letters, Volume 57, Issue 1, November 2002, Pages 219-222
  • The compositional dependence of the mean atomic volume, Va, and the packing density, ρp, of the GexS94−xBi6 glassy system, in the range 14≤x≤26 (x in at.%), have been investigated. Particular features in the compositional dependence of these physicochemical properties on the bond density, n, have been found. Specifically, at n=2.46, Va and ρp exhibit a minimum and a maximum, respectively, whereas at n=2.56, Va displays a maximum and ρp passes through a minimum. These features are explained using the topological arguments proposed in Phillips'–Thorpe and Tanaka's models.


    Materials Letters, Volume 57, Issue 1, November 2002, Pages 219-222 

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Ghassan Muhammad Saffarini, Professor of experimental physics, An-Najah National University
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