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Reversible Phase Tr...
Reversible Phase Transformation and Doubly Charged Anions at the Surface of Simple Cubic RbC60
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Macovez, Roberto (author)
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Goldoni, Andrea (author)
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Petaccia, Luca (author)
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Marenne, Ingrid (author)
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- Bruhwiler, Paul A. (author)
- Uppsala universitet,Fysiska institutionen
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Rudolf, Petra (author)
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(creator_code:org_t)
- 2008
- 2008
- English.
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In: Physical Review Letters. - 0031-9007 .- 1079-7114. ; 101:23, s. 236403-
- Related links:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Subject headings
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- The simple cubic phase of a RbC60 thin film has been studied using photoelectron spectroscopy. The simple cubic-to-dimer transition is found to be reversible at the film surface. A sharp Fermi edge is observed and a lower limit of 0.5 eV is found for the surface Hubbard U, pointing to a strongly correlated metallic character of thin-film simple cubic RbC60. A molecular charge state is identified in the valence band and core-level photoemission spectra which arises from C-60(2-) anions and contributes to the spectral intensity at the Fermi level.
Subject headings
- NATURVETENSKAP -- Fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences (hsv//eng)
Keyword
- Physics
- Fysik
Publication and Content Type
- ref (subject category)
- art (subject category)
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