IN-SITU OBSERVATIONS OF ATOMIC-RESOLUTION IMAGE AND ANODIC-DISSOLUTION PROCESS OF P-GAAS IN HCL SOLUTION BY ELECTROCHEMICAL ATOMIC-FORCE MICROSCOPE

被引:19
作者
KOINUMA, M [1 ]
UOSAKI, K [1 ]
机构
[1] HOKKAIDO UNIV,FAC SCI,DEPT CHEM,PHYS CHEM LAB,SAPPORO,HOKKAIDO 060,JAPAN
关键词
D O I
10.1016/0039-6028(94)91418-4
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
Surfaces of p-GaAs(100) electrodes in HCl solution were studied by using an electrochemical atomic force microscope with atomic resolution. Truncated pyramids of relatively uniform size (50-100 nm square) were formed if p-GaAs(100) was anodically polarized. An atomic arrangement of (100)-(1 X 1) structure was observed on the terrace of the truncated pyramid when the electrode was kept in the potential region where no current flowed.
引用
收藏
页码:L737 / L742
页数:6
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