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Oxidation of Pt(110)
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Li, W XUniversity of Aarhus, Aarhus, Denmark
(author)
Oxidation of Pt(110)
- Article/chapterEnglish2004
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Numbers
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LIBRIS-ID:oai:DiVA.org:uu-235920
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https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-235920URI
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https://doi.org/10.1103/PhysRevLett.93.146104DOI
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Language:English
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Summary in:English
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Subject category:ref swepub-contenttype
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Subject category:art swepub-publicationtype
Notes
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Using scanning tunneling microscopy and temperature programed desorption we investigate the Pt(110) surface under strongly oxidizing conditions involving either high-pressure O-2 or atomic oxygen exposure. At low temperatures, only disordered Pt oxide structures are observed. After annealing ordered surface oxide islands are observed to coexist with a highly stable reconstructed (12x2)-O chemisorption structure. From density functional theory calculations a model for the surface oxide phase is revealed. The phase is found to be metastable, and its presence is explained in terms of stabilizing defects in the chemisorption layer and reduced Pt mobility.
Subject headings and genre
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Engineering Science with specialization in Solid State Physics
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Teknisk fysik med inriktning mot fasta tillståndets fysik
Added entries (persons, corporate bodies, meetings, titles ...)
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Österlund, Lars,1967-Uppsala universitet,Fasta tillståndets fysik(Swepub:uu)laros288
(author)
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Vestergaard, E KUniversity of Aarhus, Aarhus, Denmark
(author)
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Vang, R TUniversity of Aarhus, Aarhus, Denmark
(author)
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Matthiesen, JUniversity of Aarhus, Aarhus, Denmark
(author)
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Pedersen, T MUniversity of Aarhus, Aarhus, Denmark
(author)
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Laegsgaard, EUniversity of Aarhus, Aarhus, Denmark
(author)
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Hammer, BUniversity of Aarhus, Aarhus, Denmark
(author)
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Besenbacher, FUniversity of Aarhus, Aarhus, Denmark
(author)
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University of Aarhus, Aarhus, DenmarkFasta tillståndets fysik
(creator_code:org_t)
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In:Physical Review Letters93:14, s. 146104-0031-90071079-7114
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Li, W X
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Österlund, Lars, ...
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Vestergaard, E K
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Vang, R T
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Matthiesen, J
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Pedersen, T M
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Laegsgaard, E
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Hammer, B
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Besenbacher, F
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Uppsala University