Abstract

Structural studies of GexSe1−x (x=0.15 and 0.25) glasses have been done by RDFGe(Se) employing anomalous scattering at Ge and Se edges. A peak at about 1 A− in interference function may probably due to local arrangements of Selenium. Glasses of Selenium-rich compositions are consistent basically with four-fold coordination around Ge atom and two-fold coordination around Se atom. A contribution of Ge-Ge pair to the first peak at the RDF is rather small.

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