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Holland-Moritz, Dirk and Yang, Fan and Hansen, T.C. and Kargl, Florian (2023) Chemical short-range order in liquid Ni-Cu. Journal of Physics - Condensed Matter, 35, p. 465403. Institute of Physics (IOP) Publishing. doi: 10.1088/1361-648X/aceee0. ISSN 0953-8984.
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Official URL: https://iopscience.iop.org/article/10.1088/1361-648X/aceee0
Abstract
Neutron diffraction in combination with isotopic substitution on the zero-scatterer 62Ni4363Cu57 shows indications for chemical short-range order in the stable liquid as evidenced by oscillations in the concentration-concentration structure factor SCC(q). This points towards a non-ideal solution behavior of Ni-Cu contrary to common believe but in agreement with measurements of free enthalpy of mixing. The temperature dependence of SCC at small momentum transfer provides evidence of critical compositional fluctuations in Ni43Cu57 melts.
| Item URL in elib: | https://elib.dlr.de/197013/ | ||||||||||||||||||||
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| Document Type: | Article | ||||||||||||||||||||
| Title: | Chemical short-range order in liquid Ni-Cu | ||||||||||||||||||||
| Authors: |
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| Date: | 29 August 2023 | ||||||||||||||||||||
| Journal or Publication Title: | Journal of Physics - Condensed Matter | ||||||||||||||||||||
| Refereed publication: | Yes | ||||||||||||||||||||
| Open Access: | Yes | ||||||||||||||||||||
| Gold Open Access: | No | ||||||||||||||||||||
| In SCOPUS: | Yes | ||||||||||||||||||||
| In ISI Web of Science: | Yes | ||||||||||||||||||||
| Volume: | 35 | ||||||||||||||||||||
| DOI: | 10.1088/1361-648X/aceee0 | ||||||||||||||||||||
| Page Range: | p. 465403 | ||||||||||||||||||||
| Publisher: | Institute of Physics (IOP) Publishing | ||||||||||||||||||||
| ISSN: | 0953-8984 | ||||||||||||||||||||
| Status: | Published | ||||||||||||||||||||
| Keywords: | short-range order of melts, demixing, neutron scattering | ||||||||||||||||||||
| 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 - Materials Research and Microgravity (MuM) | ||||||||||||||||||||
| Location: | Köln-Porz | ||||||||||||||||||||
| Institutes and Institutions: | Institute of Materials Physics in Space > Scientific Experiments MP | ||||||||||||||||||||
| Deposited By: | Holland-Moritz, Dr.rer.nat. Dirk | ||||||||||||||||||||
| Deposited On: | 18 Sep 2023 07:52 | ||||||||||||||||||||
| Last Modified: | 18 Sep 2023 08:35 |
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