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Published on: March 24, 2018
Chemical short-range order in liquid Al-Ni alloys
Ivan Egry1, Louis Hennet, Mirko Kehr
1Institut für Materialphysik im Weltraum, Deutsches Zentrum für Luft- und Raumfahrt (DLR), 51170 Köln, Germany. ivan.egry@dlr.de
Abstract:
The chemical short-range structure was studied in liquid Al-Ni alloys by x-ray absorption spectroscopy as a function of temperature and composition. A containerless technique, combining aerodynamic levitation and inductive heating, was used to position and melt the samples. The fluorescence yield x-ray absorption at the Ni K edge was measured by a multichannel solid-state Ge detector. The number of heteroatomic pairs around the scatterer is higher than for a homogeneous alloy.
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