压缩乙二醇-h4至6gpa

Acta Crystallographica Section B Structural Crystallography and Crystal Chemistry Pub Date : 2017-12-01 DOI:10.1107/S2052520617015657

Ian B. Hutchison, C. Bull, W. G. Marshall, S. Parsons, A. Urquhart, I. Oswald

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引用次数: 7

摘要

本研究在ISIS中子和介子源上，利用PEARL仪器上的中子粉末衍射，详细描述了乙二醇酸-h4作为压力至6 GPa的函数的结构特征。由于氘化的困难，本研究使用的是乙二醇-h4，而不是它的氘化同位素。然而，氧化锆-增韧氧化铝(ZTA)砧所提供的低背景使得在5 GPa的压力下获得适合结构分析的数据收集。在0.15 GPa时，Glycolide-h4经历重构相变，形成先前确定的形式- ii，该形式稳定在6 GPa。

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Compression of glycolide-h4 to 6 GPa

This study details the structural characterisation of glycolide-h4 as a function of pressure to 6 GPa using neutron powder diffraction on the PEARL instrument at ISIS Neutron and Muon source. Glycolide-h4, rather than its deuterated isotopologue, was used in this study due to the difficulty of deuteration. The low-background afforded by Zirconia-Toughened Alumina (ZTA) anvils nevertheless enabled the collection of data suitable for structural analysis to be obtained to a pressure of 5 GPa. Glycolide-h4 undergoes a reconstructive phase transition at 0.15 GPa to a previously identified, form-II, which is stable to 6 GPa.

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Acta Crystallographica Section B Structural Crystallography and Crystal Chemistry

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