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Compression of glycolide-h<sub>4 </sub>to 6GPa

Authors
  • Hutchison, Ian B.
  • Bull, Craig L.
  • Marshall, William G.
  • Parsons, Simon
  • Urquhart, Andrew J.
  • Oswald, Iain D.H.
Publication Date
Jan 01, 2017
Source
Online Research Database In Technology
Keywords
Language
English
License
Unknown
External links

Abstract

This study details the structural characterization of glycolide-h<sub>4 </sub>as a function of pressure to 6GPa using neutron powder diffraction on the PEARL instrument at ISIS Neutron and Muon source. Glycolide-h<sub>4</sub>, rather than its deuterated isotopologue, was used in this study due to the difficulty of deuteration. The low background afforded by zirconia-toughened alumina anvils nevertheless enabled the collection of data suitable for structural analysis to be obtained to a pressure of 5GPa. Glycolide-h<sub>4 </sub>undergoes a reconstructive phase transition at 0.15GPa to a previously identified form (II), which is stable to 6GPa.

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