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Complex atomic dynamics in a deep-eutectic binary metallic melt

Chathoth, S.M. and Koza, M.M. and Meyer, A. (2012) Complex atomic dynamics in a deep-eutectic binary metallic melt. Materials Chemistry and Physics, 136, pp. 296-299. Elsevier. doi: 10.1016/j.matchemphys.2012.07.011.

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Official URL: http://www.elsevier.com/locate/matchemphys


Quasielastic neutron scattering (QENS) was used to explore relaxation processes in a deep-eutectic Ce80Ni20 melt over a temperature range of 750 K, i.e., from 775 K to 1525 K. At low temperatures (T = 890 K), the self-correlation function shows a fast b-relaxation process. The a-relaxation process displays stretching of the self-correlation and obeys a time-temperature superposition principle that extends over the entire measured temperature range. Even though the decay of the self-correlation functions of the Ce80Ni20 melt exhibit that of glass-forming melts, the temperature dependence of self-diffusivity displays an Arrhenius behavior, as observed for many simple, non-glass forming liquids.

Item URL in elib:https://elib.dlr.de/77686/
Document Type:Article
Title:Complex atomic dynamics in a deep-eutectic binary metallic melt
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Chathoth, S.M.Physik Department E13, Technische Universität München, 85747 Garching, GermanyUNSPECIFIEDUNSPECIFIED
Koza, M.M.Institut Laue-Langevin, BP 1566, rue Jules Horowitz, 38042 Grenoble, FranceUNSPECIFIEDUNSPECIFIED
Meyer, A.Institut für Materialphysik im Weltraum, Deutsches Zentrum für Luft- und Raumfahrt (DLR), 51170 Köln, GermanyUNSPECIFIEDUNSPECIFIED
Date:October 2012
Journal or Publication Title:Materials Chemistry and Physics
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:Yes
Page Range:pp. 296-299
Keywords:Quasielastic neutron scattering Metallic melts Diffusion Mode-Coupling Theory
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Research under Space Conditions
DLR - Research area:Raumfahrt
DLR - Program:R FR - Research under Space Conditions
DLR - Research theme (Project):R - Vorhaben Materialwissenschaftliche Forschung (old)
Location: Köln-Porz
Institutes and Institutions:Institute of Materials Physics in Space > Scientific Experiments MP
Deposited By: Meyer, Prof.Dr. Andreas
Deposited On:05 Oct 2012 09:02
Last Modified:06 Sep 2019 15:18

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