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CLEAN AND CS-EXPOSE...
CLEAN AND CS-EXPOSED SI(111)ROOT-3X-ROOT-3-B SURFACE STUDIED WITH HIGH-RESOLUTION PHOTOEMISSION
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GREHK, TM (författare)
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GOTHELID, M (författare)
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- KARLSSON, Ulf O (författare)
- KTH,Skolan för informations- och kommunikationsteknik (ICT),Materialfysik
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JOHANSSON, LSO (författare)
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GRAY, SM (författare)
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MAGNUSSON, KO (författare)
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(creator_code:org_t)
- 1995
- 1995
- Engelska.
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Ingår i: Physical Review B. Condensed Matter and Materials Physics. - 1098-0121 .- 1550-235X. ; 52:15, s. 11165-11171
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Both the clean and Cs-exposed Si(111)root 3X root 3R30 degrees:B surfaces have been investigated by high-resolution photoemission. In the spectra from the Si 2p level, contributions were identified from the bulk, the adatoms plus the first layer, the second and 2/3 ML of the third-layer atoms not binding to the B atoms, and, finally, the 1/3 ML of third-layer atoms binding to the boron atoms. The interaction between the Cs atoms and the surface is found to be dependent on the coverage. At low coverages the geometric and electronic structure of the Si(111)root 3X root 3R30 degrees:B interface is only to a minor degree affected by the presence of Cs on the surface. At high coverage the Cs atoms react with the surface and alter the binding configuration of the Si adatoms.
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