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  Ammonia adsorption and decomposition on a Ni(110)-surface

Grunze, M., Golze, M., Driscoll, R., & Dowben, P. (1981). Ammonia adsorption and decomposition on a Ni(110)-surface. Journal of Vacuum Science and Technology, 18(2), 611-615. doi:10.1116/1.570833.

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Item Permalink: https://hdl.handle.net/21.11116/0000-0001-7843-D Version Permalink: https://hdl.handle.net/21.11116/0000-0001-7844-C
Genre: Journal Article

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JVacuumSciTechnol_18_1981_611.pdf (Any fulltext), 714KB
 
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 Creators:
Grunze, M.1, Author           
Golze, M., Author
Driscoll, R.K., Author
Dowben, P.A., Author
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1Cellular Biophysics, Max Planck Institute for Medical Research, Max Planck Society, ou_2364731              

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 Abstract: We report UPS/XPS results for ammonia adsorption and decomposition on a Ni(110)‐surface. At T<130 K molecular adsorption of NH3 is observed to proceed with an initial sticking coefficient of s0∠0.1. Increasing the temperature of the nickel surface above 150 K results in partial dissociation of the adsorbed NH3 molecules. The intermediate species are tentatively identified by their photoelectron spectra as NH‐fragments. At temperatures above 350 K only atomic nitrogen is observed to populate the surface after NH3‐exposures. Our data show a similar reactivity of the Ni(110) surface in the NH3‐decomposition reaction as found on iron‐single crystal planes. We briefly discuss this result with respect to the negligible activity of nickel as a catalyst for ammonia formation.

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Language(s): eng - English
 Dates: 1980-08-211980-10-311981
 Publication Status: Issued
 Pages: 5
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 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1116/1.570833
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Title: Journal of Vacuum Science and Technology
Source Genre: Journal
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Publ. Info: New York, N.Y. : Published for the American Vacuum Society by the American Institute of Physics
Pages: - Volume / Issue: 18 (2) Sequence Number: - Start / End Page: 611 - 615 Identifier: ISSN: 0022-5355
CoNE: https://pure.mpg.de/cone/journals/resource/954925535070