Reflection adsorption infrared spectroscopy of the oxidation of thin films of boron and hafnium diboride grown on Hf(0001)

被引:12
作者
Belyansky, M
Trenary, M
机构
[1] Department of Chemistry, University of Illinois at Chicago, Chicago
来源
JOURNAL OF VACUUM SCIENCE & TECHNOLOGY A-VACUUM SURFACES AND FILMS | 1997年 / 15卷 / 06期
关键词
D O I
10.1116/1.580848
中图分类号
TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
The oxidation of thin films of boron and hafnium diboride grown on a Hf(0001) single crystal surface was studied with reflection absorption infrared spectroscopy (RAIRS). For both the boron and hafnium diboride films an intense broad band near 1500 cm(-1) as well as features near 750 and 1250 cm(-1) were detected. These vibrational features are characteristic of solid B2O3. The formation of B2O3 is also indicated by x-ray photoelectron spectroscopy (XPS) by the appearance of a chemically shifted B(1s) peak at a binding energy of 193.1 eV. However, the sensitivity for detecting surface oxide formation is considerably higher for RAIRS than for XPS. (C) 1997 American Vacuum Society. [S0734-2101(97)02906-0].
引用
收藏
页码:3065 / 3068
页数:4
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