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  Time-correlated ion formation in the field desorption of hydrogen

Dirks, J., Drachsel, W., & Block, J. H. (1991). Time-correlated ion formation in the field desorption of hydrogen. Surface Science, 246(1-3), 150-156. doi:10.1016/0039-6028(91)90406-I.

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Item Permalink: https://hdl.handle.net/21.11116/0000-0009-EACD-9 Version Permalink: https://hdl.handle.net/21.11116/0000-0009-FEB9-9
Genre: Journal Article

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 Creators:
Dirks, Joachim1, Author           
Drachsel, Wolfgang1, Author           
Block, Jochen H.1, Author           
Affiliations:
1Fritz Haber Institute, Max Planck Society, ou_24021              

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 Abstract: Time-correlated ion formation is observed in the field ion current of hydrogen from a tungsten emitter. The simultaneous emission of pairs of ions, where each pair contains two of the three possible ions H+, H+2, or H+3, is confirmed by auto- and cross-correlation measurements. From the observed dependence on field strength and hydrogen pressure and supplementary laser induced field desorption experiments we conclude that the time-correlated ion formation is due to electron stimulated field desorption (ESFD). The amount of correlated ions can reach ~ 16% of the total field ion rate for a hydrogen pressure of 10−5 mbar.

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Language(s): eng - English
 Dates: 1990-07-291990-08-061991-04-03
 Publication Status: Issued
 Pages: 7
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1016/0039-6028(91)90406-I
 Degree: -

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Title: Surface Science
  Abbreviation : Surf. Sci.
Source Genre: Journal
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Publ. Info: Amsterdam : Elsevier
Pages: 7 Volume / Issue: 246 (1-3) Sequence Number: - Start / End Page: 150 - 156 Identifier: ISSN: 0039-6028
CoNE: https://pure.mpg.de/cone/journals/resource/0039-6028