Nitrogen chemistry on ruthenium single-crystal surfaces

Jacobi, Karl; Dietrich, Holger; Ertl, Gerhard

doi:10.1016/S0169-4332(97)00366-8

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Nitrogen chemistry on ruthenium single-crystal surfaces

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Jacobi, Karl
Physical Chemistry, Fritz Haber Institute, Max Planck Society;

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Dietrich, Holger
Physical Chemistry, Fritz Haber Institute, Max Planck Society;

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Ertl, Gerhard
Physical Chemistry, Fritz Haber Institute, Max Planck Society;

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Jacobi, K., Dietrich, H., & Ertl, G. (1997). Nitrogen chemistry on ruthenium single-crystal surfaces. Applied Surface Science, 121-122, 558-561. doi:10.1016/S0169-4332(97)00366-8.

Cite as: https://hdl.handle.net/21.11116/0000-0008-A1B8-2

Abstract

The interaction of N₂ and NH₃ with Ru(0001), (10̅10), and (11̅21) single-crystal surfaces was studied by means of LEED, TDS, and HREELS. Results on the initial sticking coefficient for dissociative adsorption of N₂ will be compared to recent flow experiments on real catalysts. An overview on N adsorption and NH₃ decomposition is given. The open Ru(11̅21) surface is found to stabilize NH₃, NH₂, and NH, besides H and N, i.e. the full sequence of products from ammonia decomposition.