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Atomic structure of Yb/Si(100)(2X6) : Interrelation between the silicon dimer arrangement and Si 2p photoemission line shape

Kuzmin, M. (author)
Punkkinen, M. P. J. (author)
Laukkanen, P. (author)
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Perala, R. E. (author)
Tuominen, V. (author)
Lang, J. J. K. (author)
Ahola-Tuomi, M. (author)
Dahl, J. (author)
Thiagarajan, Balasubramanian (author)
Lund University,Lunds universitet,MAX IV-laboratoriet,MAX IV Laboratory
Johansson, Börje (author)
Uppsala universitet,KTH,Tillämpad materialfysik,Institutionen för fysik och astronomi
Vitos, Levente (author)
Uppsala universitet,KTH,Tillämpad materialfysik,Institutionen för fysik och astronomi
Vayrynen, I. J. (author)
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 (creator_code:org_t)
2010
2010
English.
In: Physical Review B. Condensed Matter and Materials Physics. - 1098-0121 .- 1550-235X. ; 82:11, s. 113302-
  • Journal article (peer-reviewed)
Abstract Subject headings
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  • Combining photoelectron spectroscopy and density-functional theory calculations, we have studied the atomic geometry of Yb/Si(100)(2 X 6) reconstruction and the mechanisms responsible for its stabilization as well as the influence of this reconstruction on Si 2p core-level photoemission. The analysis of measured and calculated surface core-level shifts supports the recently proposed model of the Yb/Si(100)(2 X 6). It involves, in agreement with valence-band measurements, unbuckled (symmetrical) silicon dimers, leading to unusually narrowed Si 2p line shape as compared to those of related systems. The origin of the symmetrical dimers in the (2 X 6) structure is discussed in the context of previous results in literature.

Subject headings

NATURVETENSKAP  -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
NATURAL SCIENCES  -- Physical Sciences -- Condensed Matter Physics (hsv//eng)
NATURVETENSKAP  -- Fysik (hsv//swe)
NATURAL SCIENCES  -- Physical Sciences (hsv//eng)

Keyword

Condensed matter physics
Kondenserade materiens fysik
Physics

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art (subject category)

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