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Surface structure and energy bands of 1/3 ML Sn/Ge(111) (Articolo in rivista)
- Type
- Label
- Surface structure and energy bands of 1/3 ML Sn/Ge(111) (Articolo in rivista) (literal)
- Anno
- 2006-01-01T00:00:00+01:00 (literal)
- Alternative label
Gori, P; Pulci, O; Cricenti, A (2006)
Surface structure and energy bands of 1/3 ML Sn/Ge(111)
in Journal de physique. IV
(literal)
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- Gori, P; Pulci, O; Cricenti, A (literal)
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- Istituto di Struttura della Materia, CNR, Roma, Italy
INFM, Dipartimento di Fisica, Università di Roma Tor Vergata, Roma, Italy (literal)
- Titolo
- Surface structure and energy bands of 1/3 ML Sn/Ge(111) (literal)
- Abstract
- The geometrical and electronic structure of 1/3 monolayer of Sn on the Ge(111) surface is investigated within density functional theory. The well known 3 x 3 and root 3 x root 3 reconstructions are studied in details, performing also band structure calculations and simulating STM images. Our results confirm that the 1U-2D 3 x 3 structure is the more favorable one, not only from an energetic point of view but also from a comparison with STM experiments. On the other hand, the static room temperature electronic band structure of the root 3 x root 3 hardly compares with the available photoemission data, thus supporting the idea of a dynamical flipping of the Sn ad-atoms. (literal)
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