Rotational effects in the dissociative adsorption dynamics of hydrogen on a Pd surface

被引：14

作者：

Dino, WA

Kasai, H

Okiji, A

机构：

[1] OSAKA UNIV, DEPT APPL PHYS, SUITA, OSAKA 565, JAPAN

[2] OSAKA UNIV, DEPT MAT & LIFE SCI, SUITA, OSAKA 565, JAPAN

来源：

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN | 1997年 / 66卷 / 11期

关键词：

H-2(D-2); Pd(111) surface; dissociative adsorption; rotation; steering (dynamical reorientation); rotational-translational energy transfer (bond-length extension); nonmonotonous j-dependence; isotope effect; resonance;

D O I：

10.1143/JPSJ.66.3344

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We show that the recently observed nonmonotonous dependence of the adsorption probability of H-2/Pd(lll) on the initial rotational state j of the impinging H-2 can be accounted for by considering the two factors-Steering (Dynamical Reorientation) and Rotational-Translational Energy Transfer (Bond-Length Extension), and the importance of the incidence energy (velocity) of the impinging hydrogen molecule. Furthermore, we show that considerable isotope effects can be observed for the j-dependence of the adsorption probability of hydrogen on Pd.

引用

页码：3344 / 3347

页数：4