High-pressure transitions in methane hydrate

被引：32
|
作者：
Loveday, JS
Nelmes, RJ
Guthrie, M
机构：
[1] Univ Edinburgh, Dept Phys & Astron, Edinburgh EH9 3JZ, Midlothian, Scotland
[2] Univ Edinburgh, Ctr Sci Extreme Condit, Edinburgh EH9 3JZ, Midlothian, Scotland
来源：
CHEMICAL PHYSICS LETTERS | 2001年 / 350卷 / 5-6期
基金：
英国工程与自然科学研究理事会;
关键词：
D O I：
10.1016/S0009-2614(01)01328-8
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Three recent studies of the high-pressure transformations of methane hydrate [Chem. Phys. Lett, 325 (2000) 490; Proc. Natl. Acad. Sci. 97 (2000) 13484; Nature 410 (2001) 661] have reported apparently different behaviours. Detailed comparison of our X-ray and neutron diffraction data with those obtained in earlier work shows that there is in fact consistent behaviour on isothermal compression at room temperature with a transition from the clathrate I structure hydrate to a hexagonal hydrate with an unknown structure at similar to0.9 GPa. (C) 2001 Published by Elsevier Science B.V.
引用
收藏
页码：459 / 465
页数：7
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