(Meta-)stability domain of ice XII revealed between ≈158-212 K and ≈0.7-1.5 GPa on isobaric heating of high-density amorphous ice

被引：45

作者：

Loerting, T ^{[1
]}

Kohl, I ^{[1
]}

Salzmann, C ^{[1
]}

Mayer, E ^{[1
]}

Hallbrucker, A ^{[1
]}

机构：

[1] Univ Innsbruck, Inst Allgemeine Anorgan & Theoret Chem, A-6020 Innsbruck, Austria

来源：

JOURNAL OF CHEMICAL PHYSICS | 2002年 / 116卷 / 08期

关键词：

D O I：

10.1063/1.1452113

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：

High-density amorphous ice was heated at constant pressures of between 0.52 to 1.9 GPa from 77 K up to 240 K. The formed phases were characterized by x-ray diffractograms of samples recovered under liquid N-2 at 1 bar. The (meta)stability domain of ice XII thus revealed extends between approximate to158-212 K from approximate to0.7 to approximate to1.5 GPa. We further discuss whether ice XII has a low-temperature region of stability within the ice VI domain. Our (meta)stability domain of ice XII is in a different region of water's phase diagram than that shown by Koza [Phys. Rev. Lett. 84, 4112 (2000)]. (C) 2002 American Institute of Physics.

引用

页码：3171 / 3174

页数：4

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