The first x-ray diffraction peak of water as a function of temperature in the range 4 – 63 °C
Hughes, Stephen W. & Barry, John (2013) The first x-ray diffraction peak of water as a function of temperature in the range 4 – 63 °C. In 2013 Australian Synchrotron User Meeting, 21-22 November 2013, Melbourne, VIC. (Unpublished)
X-ray diffraction structure functions for water flowing in a 1.5 mm diameter siphon in the temperature range 4 – 63 °C were obtained using a 20 keV beam at the Australian Synchrotron. These functions were compared with structure functions obtained at the Advanced Light Source for a 0.5 mm thick sample of water in the temperature range 1 – 77 °C irradiated with an 11 keV beam. The two sets of structure functions are similar, but there are subtle differences in the shape and relative position of the two functions suggesting a possible differences between the structure of bulk and siphon water. In addition, the first structural peak (Q0) for water in a siphon, showed evidence of a step-wise increase in Q0 with increasing temperature rather than a smoothly varying increase. More experiments are required to investigate this apparent difference.
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|Item Type:||Conference Item (Poster)|
|Keywords:||water, x-ray, diffraction, siphon, synchrotron, diffraction, temperature|
|Subjects:||Australian and New Zealand Standard Research Classification > PHYSICAL SCIENCES (020000) > CONDENSED MATTER PHYSICS (020400) > Surfaces and Structural Properties of Condensed Matter (020406)|
|Divisions:||Current > Schools > School of Chemistry, Physics & Mechanical Engineering
Past > QUT Faculties & Divisions > Faculty of Science and Technology
Current > Institutes > Institute for Future Environments
Current > QUT Faculties and Divisions > Science & Engineering Faculty
|Copyright Owner:||Copyright 2013 The Author(s)|
|Deposited On:||13 Mar 2014 23:40|
|Last Modified:||13 Mar 2014 23:40|
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