The influence of Lifshitz forces and gas on premelting of ice within porous materials

被引：7
作者：
Bostrom, M. [1 ,2 ]
Malyi, O. I. [3 ]
Thiyam, P. [4 ]
Berland, K. [1 ]
Brevik, I. [2 ]
Persson, C. [1 ,4 ,5 ]
Parsons, D. F. [6 ]
机构：
[1] Univ Oslo, Ctr Mat Sci & Nanotechnol, POB 1048 Blindern, NO-0316 Oslo, Norway
[2] Norwegian Univ Sci & Technol, Dept Energy & Proc Engn, NO-7491 Trondheim, Norway
[3] Nanyang Technol Univ, Sch Mat Sci & Engn, 50 Nanyang Ave, Singapore 639798, Singapore
[4] Royal Inst Technol, Dept Mat Sci & Engn, SE-10044 Stockholm, Sweden
[5] Univ Oslo, Dept Phys, POB 1048 Blindern, NO-0316 Oslo, Norway
[6] Murdoch Univ, Sch Engn & IT, 90 South St, Murdoch, WA 6150, Australia
来源：
EPL | 2016年 / 115卷 / 01期
关键词：
DER-WAALS FORCES; CASIMIR FORCE; HYDROCARBON ADSORPTION; LIQUID-HELIUM; WATER; SURFACE; FILMS; SYSTEMS;
D O I：
10.1209/0295-5075/115/13001
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Premelting of ice within pores in earth materials is shown to depend on the presence of vapor layers. For thick vapor layers between ice and pore surfaces, a nanosized water sheet can be formed due to repulsive Lifshitz forces. In the absence of vapor layers, ice is inhibited from melting near pore surfaces. In between these limits, we find an enhancement of the water film thickness in silica and alumina pores. In the presence of metallic surface patches in the pore, the Lifshitz forces can dramatically widen the water film thickness, with potential complete melting of the ice surface. Copyright (C) EPLA, 2016
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页数：6
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