On the ''exotic'' behaviour of the Pt-Sn system

被引：14
|
作者：
Gallis, C [1 ]
Legrand, B [1 ]
Treglia, G [1 ]
机构：
[1] CNRS,CRMC2,F-13288 MARSEILLE,FRANCE
来源：
SURFACE SCIENCE | 1997年 / 377卷 / 1-3期
关键词：
compound formation; equilibrium and non-equilibrium thermodynamics and statistical mechanics metallic films; model of surface kinetics; platinum; surface segregation; tin; RAY PHOTOELECTRON DIFFRACTION; ENERGY-ELECTRON-DIFFRACTION; BINDING ISING-MODEL; SURFACE ALLOYS; SEGREGATION; PT(111); EQUILIBRIUM; KINETICS;
D O I：
10.1016/S0039-6028(96)01540-3
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：
Using an energetic model derived from the electronic structure, we study the stability of the Various terminations of Pt1-cSnc (111) for 0<c<0.3, both in the disordered and in the ordered L1(2) structure. Moreover, using a kinetic Version of the model we reproduce the formation of different surface alloys obtained experimentally by depositing Sn/Pt(lll). The relation between the equilibrium isotherm and the surface alloys is then discussed via the local equilibrium concept.
引用
收藏
页码：1033 / 1037
页数：5
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