Structure study of amorphous Gd-Y Alloys

Abstract
Amorphous Gd-Y alloys with different compositions in the range Gd 0.9Y0.1 to Gd0.1Y0.9 have been studied by X-ray diffraction. Interference and radial distribution function are presented. The behaviour of these functions clearly indicates a chemical short-range order. The structure of these alloys cannot be explained by the tetrahedral close packing model. A model obtained by mixing tetrahedral and octahedral sites is proposed

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