THERMAL DISORDER IN ADSORBED CL ON SI(100)

被引：2

作者：

CHENG, CC ^{[1
]}

GAO, Q ^{[1
]}

DOHNALEK, Z ^{[1
]}

CHOYKE, WJ ^{[1
]}

YATES, JT ^{[1
]}

机构：

[1] UNIV PITTSBURGH,DEPT CHEM,CTR SURFACE SCI,PITTSBURGH,PA 15260

来源：

JOURNAL OF CHEMICAL PHYSICS | 1993年 / 99卷 / 07期

关键词：

D O I：

10.1063/1.465950

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：

Thermal broadening of Cl+ electron stimulated desorption ion angular distribution (ESDIAD) patterns, related to the vibrational motion of the adsorbate, has been investigated by subtraction of patterns measured at different temperatures. In the case of Cl on Si(100), the observed difference pattern between 130 and 305 K indicates that azimuthally isotropic motion of Cl occurs about the most probable Si-Cl bond direction. Equal distributions from the in-plane and out-of-plane bending motions are observed, correlating with the approximately 200 cm-1 frequencies associated with these motions.

引用

页码：5581 / 5585

页数：5

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