O CHEMISORPTION ON CU(110) BY SCANNING TUNNELING MICROSCOPY

被引:152
作者
KUK, Y
CHUA, FM
SILVERMAN, PJ
MEYER, JA
机构
[1] UNIV CAMBRIDGE,CAVENDISH LAB,CAMBRIDGE CB3 0HE,ENGLAND
[2] BROWN UNIV,PROVIDENCE,RI 02912
来源
PHYSICAL REVIEW B | 1990年 / 41卷 / 18期
关键词
D O I
10.1103/PhysRevB.41.12393
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
The process of oxygen chemisorption on a Cu(110) surface has been observed dynamically using scanning tunneling microscopy. The chemisorbed oxygen is found to nucleate on terraces, and not at step edges. Isolated chains grow along the 001 directions after homogeneous nucleation, due to interaction anisotropy along the 001 and 110 directions. Cu atoms diffuse in from step edges and terrace patches to form added rows. Computer-simulation results suggest the growth mechanism of the chemisorbed layer. © 1990 The American Physical Society.
引用
收藏
页码:12393 / 12402
页数:10
相关论文
共 36 条
[31]   LEED AND HEED STUDIES OF INTERACTION OF OXYGEN WITH SINGLE CRYSTAL SURFACES OF COPPER [J].
SIMMONS, GW ;
MITCHELL, DF ;
LAWLESS, KR .
SURFACE SCIENCE, 1967, 8 (1-2) :130-&
[32]  
SOMORJAI G, 1980, PHYSICS CHEM SURFACE
[33]   SURFACE RELAXATION OF CU(110) - AN ION-SCATTERING INVESTIGATION [J].
STENSGAARD, I ;
FEIDENHANSL, R ;
SORENSEN, JE .
SURFACE SCIENCE, 1983, 128 (2-3) :281-293
[34]   SURFACE VIBRATIONS AND (2X1) SUPERSTRUCTURES ON FCC (110) METAL-SURFACES [J].
STROSCIO, JA ;
PERSSON, M ;
HO, W .
PHYSICAL REVIEW B, 1986, 33 (10) :6758-6770
[35]   LOW-ENERGY ELECTRON-MICROSCOPY OF SURFACES [J].
TELIEPS, W ;
BAUER, E .
SURFACE SCIENCE, 1988, 200 (2-3) :512-513
[36]   ATOM-RESOLVED SURFACE-CHEMISTRY USING SCANNING TUNNELING MICROSCOPY [J].
WOLKOW, R ;
AVOURIS, P .
PHYSICAL REVIEW LETTERS, 1988, 60 (11) :1049-1052