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| Home > Publications database > Structural investigations of $Ge_{5}As_{x}Se_{95-x}$ and $Ge_{15}As_{x}Se_{85-x}$ glasses using x-ray diffraction and extended x-ray fine structure spectroscopy |
| Home > Publications database > Structural investigations of $Ge_{5}As_{x}Se_{95-x}$ and $Ge_{15}As_{x}Se_{85-x}$ glasses using x-ray diffraction and extended x-ray fine structure spectroscopy |
| Journal Article | PHPPUBDB-22561 |
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2012
IOP Publ.
Bristol
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Please use a persistent id in citations: doi:10.1088/0953-8984/24/38/385802
Abstract: The structure of Ge(5)As(x)Se(95-x) (x = 10, 20, 30, 38 at.%) and Ge(15)As(x)Se(85-x) (x = 10, 25, 34 at.%) glasses has been investigated by high-energy x-ray diffraction and extended x-ray absorption fine structure measurements. The experimental datasets have been modelled using the reverse Monte Carlo simulation technique. The model atomic configurations have been analysed in detail. It has been found that the homonuclear Ge-Ge, As-As, Se-Se and heteronuclear Ge-As bonds play an important role in the structure formation of the Ge-As-Se glasses. The total number of these bonds decreases quite slowly with the mean coordination number similarly to the nonlinear refractive index.
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