IS THE SEGREGATION DISSOLUTION KINETICS DRIVEN BY A SURFACE LOCAL EQUILIBRIUM - AN ANSWER VIA THE KINETIC TIGHT-BINDING ISING-MODEL

被引：72

作者：

SENHAJI, A

TREGLIA, G

LEGRAND, B

BARRETT, NT

GUILLOT, C

VILLETTE, B

机构：

[1] CTR UNIV PARIS SUD,PHYS SOLIDES LAB,F-91405 ORSAY,FRANCE

[2] CTR ETUD SACLAY,RECH MET PHYS SECT,DTM,F-91191 GIF SUR YVETTE,FRANCE

[3] CTR UNIV PARIS SUD,UTILISAT RAYONNEMENT ELECTROMAGNET LAB,F-91405 ORSAY,FRANCE

来源：

SURFACE SCIENCE | 1992年 / 274卷 / 02期

关键词：

D O I：

10.1016/0039-6028(92)90535-E

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：

We study here the relation between the surface segregation at thermodynamical equilibrium in an alloy A(c)B1-c and the kinetics of either segregation in the system A-B or dissolution of A/B or B/A. This is possible within a new kinetic model based on the electronic structure: the kinetic tight-binding Ising model (KTBIM). In particular, the existence of a local equilibrium between the surface and the first underlayer is stressed. Some illustrations are given in the particular case of the W-Re system.

引用

页码：297 / 305

页数：9

共 36 条

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