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| Home > Publications database > Structure of $GeSe_4-In$ and $GeSe_5-In$ glasses |
| Journal Article | PHPPUBDB-13401 |
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2010
IOP Publ.
Bristol
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Please use a persistent id in citations: doi:10.1088/0953-8984/22/40/404205
Abstract: (Ge(0.2)Se(0.8))(100-x)In(x) and (Ge(0.17)Se(0.83))(100-x)In(x) (x = 0, 5, 10, 15 at.%) chalcogenide glasses have been studied with high-energy x-ray diffraction, neutron diffraction and extended x-ray absorption spectroscopy at Ge, Se and In K-edges. The experimental data were modelled simultaneously with the reverse Monte Carlo simulation method. GeSe(4/2) tetrahedra are shown to be the main structural units in the binary and ternary glasses investigated. Indium bonds to the excess Se atoms in the ternary Ge-Se-In glasses. While the majority of In atoms have three Se neighbours, some In atoms may be tetrahedrally coordinated by Se.
Keyword(s): Computer Simulation (MeSH) ; Germanium: chemistry (MeSH) ; Glass: chemistry (MeSH) ; Indium: chemistry (MeSH) ; Models, Chemical (MeSH) ; Monte Carlo Method (MeSH) ; Selenium: chemistry (MeSH) ; X-Ray Absorption Spectroscopy (MeSH) ; X-Ray Diffraction (MeSH) ; Germanium ; Indium ; Selenium
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