CHEMICAL-REACTIVITY OF THE SI(111) (ROOT-3X-ROOT-3) R30-DEGREES-B SURFACE - AN ELECTRON-ENERGY-LOSS SPECTROSCOPY STUDY

被引:5
|
作者
TAGUCHI, Y [1 ]
DATE, M [1 ]
TAKAGI, N [1 ]
ARUGA, T [1 ]
NISHIJIMA, M [1 ]
机构
[1] KYOTO UNIV,FAC SCI,DEPT CHEM,KYOTO 60601,JAPAN
关键词
D O I
10.1016/0169-4332(94)90254-2
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 interaction of the Si(111)(square-root3 x square-root)R30-degrees-B surface with NH3 has been studied mainly by using high-resolution electron-energy-loss spectroscopy. The (square-root3 x square-root3)R30-degrees-B surface was formed by heating the Si(111) surface preexposed to B10H14. When exposed to NH3 at 90 K, vibrational losses observed for NH3 adsorbed on the surface include 163 and 370 eV losses, which are ascribed to chemisorbed NH3 coordinated to the Si adatom on the (square-root3 x square-root3)R30-degrees-B surface. This indicates that the chemical reactivity of the (square-root3 x square-root3)R30-degrees-B surface is quite different from those of clean silicon surfaces.
引用
收藏
页码:434 / 436
页数:3
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