Abstract

The anomalous X-ray scattering (AXS) technique was used to obtain the environmental radial distribution function (RDF) around a germanium in GeO 2 glass. By combining the environmental and ordinary RDFs of GeO 2 glass, germanium was quantitatively shown to be surrounded by four oxygens at a distance of 0.174nm and to share its corners in order to form a three-dimensional network structure. A possible atomic arrangement of GeO 2 glass in near neighbor region is also proposed by refining structural parameters using the least-squares variational method

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