INTERFACIAL STRUCTURE OF IODINE ELECTRODEPOSITED ON AU(111) - STUDIES BY LEED AND IN-SITU STM

被引：63
|
作者：
YAMADA, T
BATINA, N
ITAYA, K
机构：
[1] TOHOKU UNIV,FAC ENGN,DEPT APPL CHEM,AOBA KU,SENDAI,MIYAGI 980,JAPAN
[2] RES DEV CORP JAPAN,ERATO,ITAYA ELECTROCHEMISCOPY PROJECT,TAIHAKU KU,SENDAI,MIYAGI 982,JAPAN
来源：
SURFACE SCIENCE | 1995年 / 335卷 / 1-3期
关键词：
ELECTROCHEMICAL METHODS; GOLD; IODINE; LOW ENERGY ELECTRON DIFFRACTION (LEED); LOW INDEX SINGLE CRYSTAL SURFACES; METAL-ELECTROLYTE INTERFACES; SCANNING TUNNELING MICROSCOPY; SOLID-LIQUID INTERFACES;
D O I：
10.1016/0039-6028(95)00417-3
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：
Iodine adlayers formed on Au(111) in aqueous KI solution have been studied by ex situ Auger electron spectroscopy (AES), low-energy electron diffraction (LEED) and in situ scanning tunneling microscopy (STM). The LEED patterns are described as c(p X root 3R - 30 degrees) where p decreases continuously with increasing emersion potential. By in situ STM, a series of rotated hexagonal structures was observed at positive potentials in addition to the c(p X root 3R - 30 degrees) structures. This rotated hexagonal adlattice was also compressed with increasing electrode potential. These results in general confirm the phenomenon of electrocompression of the iodine adlayer on Au(111) observed by in situ surface X-ray scattering.
引用
收藏
页码：204 / 209
页数：6
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