ADSORPTION OF BISMUTH ON SI(001) STUDIED BY AES, REELS AND MASS-SPECTROMETRY

被引:17
作者
KOVAL, IF
MELNIK, PV
NAKHODKIN, NG
PYATNITSKY, MY
AFANASIEVA, TV
机构
[1] Kiev Taras Shevchenko University, Radiophysics Department, 252017 Kiev
关键词
ADATOMS; AUGER ELECTRON SPECTROSCOPY; BISMUTH; ELECTRON ENERGY LOSS SPECTROSCOPY; GROWTH; LOW INDEX SINGLE CRYSTAL SURFACES; SILICON; THERMAL DESORPTION;
D O I
10.1016/0039-6028(95)00322-3
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
The morphology of bismuth layers on Si(001) has been investigated by electron spectroscopy methods (AES, EELS) and thermodesorption mass-spectrometry. Island formation on the first Bi continuous monolayer occurs during bismuth deposition at room temperature. The thermodesorption of this system at a temperature of similar to 500 degrees C leads to the formation of at least one stable adsorbed Bi phase with a coverage of similar to 0.6-0.7 ML. Bi O-4.5-line REELS of the Bi/Si(001) system has demonstrated the covalent character of the Bi-Si bond.
引用
收藏
页码:585 / 589
页数:5
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