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Sublimation phenomena in slit nanopores: Lennard-Jones phase diagram
被引:13
|作者:
Kanda, H
[1
]
Miyahara, M
Higashitani, K
机构:
[1] Cent Res Inst Elect Power Ind, Energy Engn Res Lab, Kanagawa 2400196, Japan
[2] Kyoto Univ, Dept Chem Engn, Kyoto 6158510, Japan
来源:
ADSORPTION-JOURNAL OF THE INTERNATIONAL ADSORPTION SOCIETY
|
2005年
/
11卷
/
Suppl 1期
关键词:
vapor-solid equilibria;
nanopore;
phase transition;
Lennard-Jones;
molecular simulation;
D O I:
10.1007/s10450-005-5940-5
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:
Sublimation phenomena of Lennard-Jones fluids in slit-shaped nanopores were examined. Vapor-phase pressure at which a solid phase forms in a pore at a constant temperature is determined by the authors' molecular dynamics technique. The obtained phase-boundary pressure is remarkably lower than that of the bulk phase. A simple model of the sublimation is presented, which successfully predicts the molecular dynamics results with no adjustable parameter. Thus, a whole Lennard-Jones phase diagram in slit-shaped nanopores can now be predicted.
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页码:295 / 299
页数:5
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