Surface segregation and layering in the liquid-vapor interface of a dilute bismuth:gallium alloy

被引:66
作者
Lei, N [1 ]
Huang, ZQ [1 ]
Rice, SA [1 ]
机构
[1] UNIV CHICAGO,JAMES FRANCK INST,CHICAGO,IL 60637
关键词
D O I
10.1063/1.471174
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 density distribution normal to the liquid-vapor interface of a bismuth-gallium mixture (0.18% Bi and 99.82% Ca) has been studied by measurement of the x-ray reflectivity as a function of angle of incidence. The data obtained confirm the predicted stratification of the density distribution along the normal to the interface and the segregation of the excess surface concentration of Bi into a monolayer atop the bulk mixture. (C) 1996 American Institute of Physics.
引用
收藏
页码:4802 / 4805
页数:4
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