ATOMIC-SCALE IMAGING OF A 2D FLUID-SOLID EQUILIBRIUM FOR CS AND O COADSORBED ON A RU(0001) SURFACE

被引：20
|
作者：
TROST, J [1 ]
WINTTERLIN, J [1 ]
ERTL, G [1 ]
机构：
[1] MAX PLANCK GESELL, FRITZ HABER INST, D-14195 BERLIN, GERMANY
来源：
SURFACE SCIENCE | 1995年 / 329卷 / 1-2期
关键词：
ALKALI METALS; SCANNING TUNNELING MICROSCOPY; SURFACE STRUCTURE; SURFACE THERMODYNAMICS;
D O I：
10.1016/0039-6028(95)00351-7
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：
A solid-fluid phase equilibrium has been studied by STM and LEED for coadsorbed Cs and O on a Ru(0001) surface. It is shown that a (root 7 X root 7)R19 degrees Cs/O structure melts through a coexistance region into a 2D disordered phase upon rising the temperature. STM images recorded at 300 K reveal perfectly ordered islands coexisting with fluid areas which display also small ordered metastable clusters.
引用
收藏
页码：L583 / L587
页数：5
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