Characterising density fluctuations in liquid yttria aluminates with small angle x-ray scattering

GREAVES, G. Neville, WILDING, Martin, VAN, Quang Vu, MAJERUS, Odile and HENNET, Louis (2009). Characterising density fluctuations in liquid yttria aluminates with small angle x-ray scattering. In: PANIAGO, Rogerio Magalhaes, (ed.) Synchrotron radiation in materials science: proceedings of the 6th International Conference on Synchrotron Radiation in Materials Science. AIP Conference Proceedings (1092). American Institute of Physics, p. 71.

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Official URL: https://aip.scitation.org/doi/10.1063/1.3086239
Link to published version:: https://doi.org/10.1063/1.3086239

Abstract

Small angle x‐ray scattering (SAXS) has been measured in the wavevector range 0.01<Q<1 Å−1 for supercooled yttria‐alumina melts using a laser‐heated aerodynamic furnace. SAXS intensity rises gradually with temperature reflecting density fluctuations deriving from isothermal compressibility. With decreasing Q a minimum is located close to 0.1 Å−1 at the foot of the inter‐atomic structure factor, below which SAXS rises, suggesting scatter from longer range fluctuating volumes.

Item Type: Book Section
Additional Information: 6th International Conference on Synchrotron Radiation in Materials Sciences, Campinas, BRAZIL, JUL 20-23, 2008
Research Institute, Centre or Group: Materials and Engineering Research Institute > Engineering Research
Departments: Faculty of Science, Technology and Arts > Department of Engineering and Mathematics
Identification Number: https://doi.org/10.1063/1.3086239
Depositing User: Martin Wilding
Date Deposited: 07 Nov 2018 15:43
Last Modified: 07 Nov 2018 15:43
URI: http://shura.shu.ac.uk/id/eprint/21491

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