PRE-EXPONENTIAL FACTORS FOR HYDROGEN DESORPTION FROM SINGLE-CRYSTAL METAL-SURFACES

被引:45
作者
MADIX, RJ [1 ]
ERTL, G [1 ]
CHRISTMANN, K [1 ]
机构
[1] UNIV MUNICH, INST PHYS CHEM, D-8000 MUNICH 2, FED REP GER
关键词
D O I
10.1016/0009-2614(79)80408-X
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
Partition functions for adsorbed hydrogen atoms have been evaluated for Ni(100), Ni(111), Pd(111) and Pt(111) surfaces. These account for the relative order of magnituted of the preexponential factors for associative desorption, νd, including the abnormally low value for the Pt(111)/H system. Furthermore application of transition state theory yields numbers for νd which are in good agreement with experimental data. © 1979.
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页码:38 / 41
页数:4
相关论文
共 22 条
[21]  
Redhead P. A., 1962, VACUUM, V12, P203, DOI DOI 10.1016/0042-207X(62)90978-8
[22]  
WACHS JE, UNPUBLISHED