CH4 DISSOCIATION ON NI(100) - COMPARISON OF A DIRECT DYNAMICAL MODEL TO MOLECULAR-BEAM EXPERIMENTS

被引:85
作者
LUNTZ, AC [1 ]
机构
[1] TECH UNIV DENMARK,DEPT PHYS,DK-2800 LYNGBY,DENMARK
关键词
D O I
10.1063/1.468956
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
This paper makes an extensive comparison of a dynamical model for a mechanism of direct dissociation to the detailed molecular beam experiments of CH4 dissociation on a Ni(100) surface reported in the previous paper. When a PES incorporating an "exit channel" barrier is used in the model and steric (multidimensional) aspects are included approximately via a "hole" approximation, excellent agreement is achieved between the model and experiments. This strengthens the qualitative mechanistic conclusions of Holmblad, Wambach, and Chorkendorff [J. Chem. Phys. 102, 8255 (1995)]. © 1995 American Institute of Physics.
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页码:8264 / 8269
页数:6
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