Self-diffusion in liquid copper as seen by quasielastic neutron scattering
Meyer, A. (2010) Self-diffusion in liquid copper as seen by quasielastic neutron scattering. Physical Review B, 81, . DOI: 10.1103/PhysRevB.81.012102.
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Quasielastic neutron scattering has been used to study atomic dynamics in liquid Cu. At small wave numbers q the intermediate scattering function is dominated by incoherent scattering contributions. From the decay of the quasielastic signal, self-diffusion coefficients D are obtained on an absolute scale. In a temperature range from 1370 to 1620 K, D values exhibit an Arrhenius-type temperature dependence and are significantly smaller than those from previous tracer experiments that are hampered by convective flow.
|Title:||Self-diffusion in liquid copper as seen by quasielastic neutron scattering|
|Date:||12 January 2010|
|Journal or Publication Title:||Physical Review B|
|In ISI Web of Science:||Yes|
|Keywords:||PACS numbers: 61.25.Mv, 65.20.-w, 66.10.cg, 61.05.fg|
|HGF - Research field:||Aeronautics, Space and Transport|
|HGF - Program:||Space|
|HGF - Program Themes:||W FR - Forschung unter Weltraumbedingungen|
|DLR - Research area:||Space|
|DLR - Program:||W FR - Forschung unter Weltraumbedingungen|
|DLR - Research theme (Project):||W - Vorhaben Materialwissenschaftliche Forschung (old)|
|Institutes and Institutions:||Institute of Materials Physics in Space|
|Deposited By:||Prof.Dr. Andreas Meyer|
|Deposited On:||27 Jan 2010 09:09|
|Last Modified:||07 Feb 2013 20:16|
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