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Structure changes f...
Structure changes for Cu(111)/Li observed via discrete quantum well states
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- Carlsson, Anna K, 1966 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Claesson, Dan, 1969 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Katrich, Galina (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Lindgren, Stig-Åke, 1950 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Wallden, Lars Erik Gustaf, 1941 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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(creator_code:org_t)
- 1997
- 1997
- Engelska.
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Ingår i: Surface Review and Letters. - 0218-625X. ; 4:6, s. 1233-1237
- Relaterad länk:
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https://doi.org/10.1...
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https://research.cha...
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Abstract
Ämnesord
Stäng
- Via photoemission in the near UV from discrete quantum well states, four different types of atom rearrangements are observed for Cu(111)/Li. In the monolayer range a gradual energy shift reflects a gradual compression of the Li layer as more atoms are adsorbed. The onset of Li substitution and formation of a (2×2) structure when, at RT, monolayer Li coverage is exceeded is monitored via the appearance of a quantum well state characteristic of the new phase. A small energy shift indicates that, if it is cooled (170 K), the new structure is unstable with respect to Li adsorption. Finally, an energy downshift with increasing coverage observed for a state characteristic of 2 ML Li is ascribed to an increasing area for one-atomic-layer-high islands formed by Li atoms on top of the first full layer.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Annan teknik -- Övrig annan teknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Other Engineering and Technologies -- Other Engineering and Technologies not elsewhere specified (hsv//eng)
Publikations- och innehållstyp
- art (ämneskategori)
- ref (ämneskategori)
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