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  Weakly chemisorbed CO layer on Rh(100) as detected by reverse flash and field ion appearance energy measurements

Medvedev, V. K., Kulik, V. S., Chernyi, V. I., & Suchorski, Y. (1997). Weakly chemisorbed CO layer on Rh(100) as detected by reverse flash and field ion appearance energy measurements. Vacuum, 48(3-4), 341-345. doi:10.1016/S0042-207X(96)00286-2.

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Item Permalink: https://hdl.handle.net/21.11116/0000-0008-C78C-A Version Permalink: https://hdl.handle.net/21.11116/0000-0008-D70C-9
Genre: Journal Article

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Medvedev, V. K.1, Author
Kulik, V. S.1, Author
Chernyi, V. I.1, Author
Suchorski, Yu2, Author           
Affiliations:
1Institute of Physics of National Academy of Sciences of Ukraine, Prospect Nauki 46, Kyiv, Ukraine, ou_persistent22              
2Fritz Haber Institute, Max Planck Society, ou_24021              

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 Abstract: Using the reverse flash (RF) method, the sticking coefficient and binding energy of CO molecules on Rh(100) are obtained for CO surface densities up to 1.2×1015 cm−2. The presence of weakly bound CO molecules with a binding energy of 0.34 eV is detected at n>1.0×1015 cm−2. Mass-to-charge-resolved retarding potential analysis of CO+ emitted from Rh(100) is performed and absolute values of CO+ field ion appearance energy obtained. By applying a thermionic cycle field-dependent values of the binding energy of CORh(100) at high coverages are obtained. A comparison of field-free (RF) results and field ion appearance energy spectroscopy (FIAES) data reveals the weakly bound (field-stabilized) CO layer as the origin of CO+ field ions emitted from Rh(100) for field ion imaging.

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Language(s): eng - English
 Dates: 1997-03
 Publication Status: Issued
 Pages: 5
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1016/S0042-207X(96)00286-2
 Degree: -

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Title: Vacuum
Source Genre: Journal
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Publ. Info: Amsterdam : Elsevier B.V.
Pages: 5 Volume / Issue: 48 (3-4) Sequence Number: - Start / End Page: 341 - 345 Identifier: ISSN: 0042-207X
CoNE: https://pure.mpg.de/cone/journals/resource/954925450829