Why the close-packed Ni(111) surface dissociatively chemisorbs oxygen and nucleates oxide faster than the more open Ni(100) surface
- 1 May 1985
- journal article
- Published by American Vacuum Society in Journal of Vacuum Science & Technology A
- Vol. 3 (3) , 1468-1471
- https://doi.org/10.1116/1.572763
Abstract
The 300 K kinetics of dissociative chemisorption and oxide island nucleation and growth are compared for Ni(100) and Ni(111). We conclude that the behavior of oxygen sticking probability as a function of coverage can be understood in terms of direct Langmuir adsorption (no molecular diffusion) and the availability of active empty clusters of adsorption sites of certain sizes and configurations.Keywords
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