HEAT-CAPACITY OF AR MONOLAYER ADSORBED ON BASAL PLANE GRAPHITE

被引:42
作者
CHUNG, TT [1 ]
机构
[1] UNIV WASHINGTON,DEPT PHYS,SEATTLE,WA 98195
关键词
D O I
10.1016/0039-6028(79)90534-X
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
The specific heat of Ar monolayer film adsorbed on basal planes of graphite has been measured for film coverage ranging from 0.31 to 0.97 monolayers for 4.2 < T < 68 K. It is found that a broad specific heat peak centered around 50 K exists over most of the submonolayer coverages until reaching monolayer completion. A comparison with recent neutron scattering and LEED studies relates the anomaly to a possible higher order phase transition between 2D solid and 2D fluid. © 1979.
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页码:348 / 356
页数:9
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