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- Uhrberg, R I G, et al.
(författare)
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Well-Known "Surface State" on Si(111)2×1 Identified as a Bulk Contribution
- 1984
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Ingår i: Physical Review Letters. - 0031-9007 .- 1079-7114. ; 52:25, s. 2265-2268
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Tidskriftsartikel (refereegranskat)abstract
- Using polarization-dependent angle-resolved photoemission we show that two dominating structures in the photoemission spectra are due to direct transitions from the uppermost two valence bands in silicon. The final-state band for these transitions at photon energies 10.2-21.2 eV is found to have free-electron-like dispersion. Our results imply that that threefold-symmetry emission often assigned to back-bond surface states on Si(111)2×1 is really due to bulk photoemission.
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- KARLSSON, Ulf O, et al.
(författare)
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INTRINSIC SURFACE-STATE ON BE(0001)
- 1984
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Ingår i: Solid State Communications. - : Elsevier BV. - 0038-1098 .- 1879-2766. ; 49:7, s. 711-714
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Tidskriftsartikel (refereegranskat)
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