Issue |
EPL
Volume 100, Number 5, December 2012
|
|
---|---|---|
Article Number | 56002 | |
Number of page(s) | 6 | |
Section | Condensed Matter: Structural, Mechanical and Thermal Properties | |
DOI | https://doi.org/10.1209/0295-5075/100/56002 | |
Published online | 10 December 2012 |
Does an icosahedral short-range order prevail in glass-forming Zr-Cu melts?
1 Institut für Materialphysik im Weltraum, Deutsches Zentrum für Luft- und Raumfahrt (DLR) 51170 Köln, Germany, EU
2 Institut Laue-Langevin (ILL) - 38042 Grenoble, France, EU
3 HASYLAB at DESY - Notkestr. 85, 22607 Hamburg, Germany, EU
4 IFW Dresden - 01171 Dresden, Germany, EU
(a) dirk.holland-moritz@dlr.de
Received: 18 September 2012
Accepted: 16 November 2012
We report on investigations of the static structure factors of glass-forming Zr-Cu alloy melts by combination of the containerless processing technique of electrostatic levitation with diffraction of neutron and synchrotron radiation. The partial Bhatia-Thornton structure factors SNN and SNC were determined from the two total structure factors. While it is widely assumed in literature that the good glass-forming ability of Zr-Cu is related to an icosahedral short-range order prevailing in the melt, our partial structure factors demonstrate that the liquid Zr-Cu is not characterized by a dominant icosahedral short-range order.
PACS: 61.25.Mv – Liquid metals and alloys / 61.05.fg – Neutron scattering (including small-angle scattering) / 61.05.cf – X-ray scattering (including small-angle scattering)
© EPLA, 2012
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