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.

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收藏

页码：459 / 465

页数：7

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