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Dynamics of subsurface oxygen formation in catalytic water formation on a Rh(1 1 1) surface — experiment and simulation by M.I. Monine; A. Schaak; B.Y. Rubinstein; R. Imbihl; L.M. Pismen is a Materials Science article available to read on EtoBox.
What is Dynamics of subsurface oxygen formation in catalytic water formation on a Rh(1 1 1) surface — experiment and simulation about?
The catalytic O 2 +H 2 reaction on Rh(1 1 1) has been investigated in the 10 -6 -10 -5 mbar range using photoelectron emission microscopy as spatially resolving method. While the reaction without pretreatment of the sample displays simple bistable behavior, we find that after extended pre-oxidation of the sample (p O 2 = 2 × 10 -4 mbar, T = 770 K, t OX > 24 h), low work function (LWF) areas develop dynamically in the collision of reaction fronts. The LWF areas have been assigned to subsurface oxygen. We present a simple three-variable model which reproduces the formation of LWF areas in the collision of reaction fronts.
Who reads Dynamics of subsurface oxygen formation in catalytic water formation on a Rh(1 1 1) surface — experiment and simulation?
It is typically read by researchers, students, and practitioners in Materials Science.
- Author
- M.I. Monine; A. Schaak; B.Y. Rubinstein; R. Imbihl; L.M. Pismen
- Publisher
- Elsevier Science; Elsevier ; Elsevier BV (ISSN 0920-5861)
- Published
- 2001
- Language
- EN
- Field
- Materials Science (Physical Sciences)