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Issue 3, 2015
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Dirac fermions in silicene on Pb(111) surface

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First-principles density functional theory calculations of silicene deposited on a Pb(111) surface are reported. Several possible silicene superstructures, exhibiting different scanning tunnelling microscopy topography images have been found. All the structures feature low binding energy and very small charge transfer, thus interact weakly with the substrate. As a result linear band dispersion around the K points of the Brillouin zone survives and the bands have mainly 3p character of silicene with very little contribution of the 6p states of Pb. The present study suggests that lead can be the best candidate to host silicene among other metal substrates.

Graphical abstract: Dirac fermions in silicene on Pb(111) surface

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The article was received on 04 Nov 2014, accepted on 27 Nov 2014 and first published on 01 Dec 2014

Article type: Paper
DOI: 10.1039/C4CP05104A
Citation: Phys. Chem. Chem. Phys., 2015,17, 2246-2251
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    Dirac fermions in silicene on Pb(111) surface

    A. Podsiadły-Paszkowska and M. Krawiec, Phys. Chem. Chem. Phys., 2015, 17, 2246
    DOI: 10.1039/C4CP05104A

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