Solid monolayers of heptane adsorbed to graphite from its liquid

被引:11
|
作者
Castro, MA
Clarke, SM
Inaba, A [1 ]
Arnold, T
Thomas, RK
机构
[1] Osaka Univ, Grad Sch Sci, Dept Chem, Toyonaka, Osaka 5600043, Japan
[2] Inst Ciencia Mat Sevilla, Seville, Spain
[3] Cavendish Lab, Cambridge CB3 0HE, England
[4] Phys & Theoret Chem Lab, Oxford OX1 3QZ, England
基金
英国工程与自然科学研究理事会;
关键词
interfaces; surfaces; neutron scattering; crystal structure; surface properties;
D O I
10.1016/S0022-3697(99)00152-3
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Adsorption at the interface between liquid n-heptane and a graphite substrate has been studied by incoherent elastic/quasielastic neutron scattering and coherent neutron diffraction, A solid monolayer of n-heptane persists above the bulk melting point (183 K) and melts at 206 K, which is in contrast to the fact that the monolayer adsorbed at submonolayer coverages melts at 151 K. The crystalline structure is significantly different between those two monolayers. (C) 1999 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码:1495 / 1497
页数:3
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