Surface diffusion of deuterium and hydrogen on Pt(ll1) has been investigated by laser-induced thermal desorption. As the initial surface coverage of deuterium is varied from 0.001 to 0.33, the diffusional activation energy falls from 12 to 7 kcal/mol, and the pre-exponential factor falls from 3 x lo
β¦ LIBER β¦
Surface diffusion of hydrogen on Ni(100) studied using laser-induced thermal disorption
β Scribed by S.M. George; A.M. DeSantolo; R.B. Hall
- Publisher
- Elsevier Science
- Year
- 1985
- Weight
- 513 KB
- Volume
- 159
- Category
- Article
- ISSN
- 0167-2584
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## Abstract The adsorption and diffusion of hydrogen atom on open rough Pd(311) and Ni(311) stepped surface were investigated in detail using 5βparameter Morse Potential (5βMP for short) method. The results on theoretical studies indicate that only threefold adsorption states exist at low coverage,