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  Adsorption and decomposition of Ammonia on a W(110) surface: photoemission fingerprinting and interpretation of the core level binding energies using the equivalent core approximation

Grunze, M., Brundle, C., & Tomanek, D. (1982). Adsorption and decomposition of Ammonia on a W(110) surface: photoemission fingerprinting and interpretation of the core level binding energies using the equivalent core approximation. Surface Science, 119(2-3), 133-149. doi:10.1016/0039-6028(82)90288-6.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0001-7939-8 Version Permalink: http://hdl.handle.net/21.11116/0000-0001-793A-7
Genre: Journal Article

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SurfaceSci_119_1982_133.pdf (Any fulltext), 2MB
 
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Grunze, M.1, Author              
Brundle, C.R., Author
Tomanek, D., 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 the first XPS data for ammonia adsorption, condensation and decomposition on a W(110) surface. Monolayer, “second layer” and multilayer NH3 as well as NH2, NH and N species can be characterized by a specific N(1s) electron binding energy. We discuss the observed binding energies within a thermodynamic framework, using the “equivalent core approximation”. This model has been previously successfully applied to core level binding energies of gaseous molecules and solids. The agreement between calculated and experimental N(1s) binding energies for some species is excellent, and we conclude that for the considered adsorbates the variation of the N(1s) binding energies is primarily determined by the ground state properties rather than by different relaxation energies in the final state. We also briefly discuss the activity of the W(110) face towards NH3 decomposition and also present some data for NH3 dissociation on an oxygen predosed surface.

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Language(s): eng - English
 Dates: 1982-03-101982-04-291982-07-02
 Publication Status: Published in print
 Pages: 17
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1016/0039-6028(82)90288-6
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Title: Surface Science
  Abbreviation : Surf. Sci.
Source Genre: Journal
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Publ. Info: Amsterdam : Elsevier
Pages: - Volume / Issue: 119 (2-3) Sequence Number: - Start / End Page: 133 - 149 Identifier: Other: 0039-6028
CoNE: https://pure.mpg.de/cone/journals/resource/0039-6028