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Bridging the pressure gap in surface science at the atomic level: H/Cu(110)
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Solid State Physics.
University of Aarhus, Aarhus, Denmark.
University of Aarhus, Aarhus, Denmark.
University of Aarhus, Aarhus, Denmark.
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2001 (English)In: Physical Review Letters, ISSN 0031-9007, E-ISSN 1079-7114, Vol. 86, no 3, 460-463 p.Article in journal (Refereed) Published
Abstract [en]

The structural response of the Cu(110) surface to H-2 gas pressures ranging from 10(-13) to 1 bar is studied using a novel high-pressure scanning tunneling microscope (HP-STM). We find that at H-2 pressures larger than 2 mbar the Cu(110) surface reconstructs into the (1 X 2) "missing-row" structure. From a quantitative analysis of the pressure dependence of the surface reconstruction, we conclude that Cu(110) responds identically to hydrogen at ultrahigh vacuum conditions and at atmospheric pressures. From the HP-STM data, we extract refined values for the adsorption and desorption rate constants.

Place, publisher, year, edition, pages
2001. Vol. 86, no 3, 460-463 p.
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Condensed Matter Physics Other Physics Topics
URN: urn:nbn:se:uu:diva-235930DOI: 10.1103/PhysRevLett.86.460ISI: 000166402400023OAI: oai:DiVA.org:uu-235930DiVA: diva2:762460
Available from: 2014-11-11 Created: 2014-11-11 Last updated: 2014-11-11

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Österlund, Lars
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