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Role of dynamic trapping in H[sub 2] dissociation and reflection on Pd surfaces.
- Source :
- Journal of Chemical Physics; 6/22/2003, Vol. 118 Issue 24, p11226, 9p, 10 Graphs
- Publication Year :
- 2003
-
Abstract
- (We present results of classical trajectory calculations on dissociative adsorption and reflection of H[SUB2] impinging on a frozen Pd(110) surface. The six-dimensional potential energy surface is obtained by interpolation of density functional theory (DFT) calculations using the corrugation reducing (procedure. The comparison with earlier work for H[SUB2]/Pd(111) shows that DFT calculations predict that the Pd(110) surface, though more open, is less reactive than the Pd(111) one. This lower reactivity is associated with a more prominent role of dynamic trapping, at low energies, and with the fact that trapping may end up in reflection as well as in dissociation. [ABSTRACT FROM AUTHOR]
- Subjects :
- HYDROGEN
DISSOCIATION (Chemistry)
Subjects
Details
- Language :
- English
- ISSN :
- 00219606
- Volume :
- 118
- Issue :
- 24
- Database :
- Complementary Index
- Journal :
- Journal of Chemical Physics
- Publication Type :
- Academic Journal
- Accession number :
- 9979893