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Issue 26, 2016
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Impact of van der Waal’s interaction in the hybrid bilayer of silicene/SiC

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Abstract

Electronic structure calculations based on density functional theory find a presence of noticeable interlayer van der Waal interaction in a hybrid bilayer consisting of a silicene and SiC monolayer sheet with the binding energy of 45 meV per atom. This interlayer interaction also leads to significant changes in the nature of chemical bonding, thereby inducing a curvature in the erstwhile planar SiC sheet. Subsequently, modifications in charge distribution at the interface produce a dissimilar chemical environment for two sub lattices of silicene which opens the band gap in the heterogeneous bilayer system. Application of an external electric field is found to linearly modulate the band gap of the silicene/SiC bilayer indicating its potential use in nanoscale devices.

Graphical abstract: Impact of van der Waal’s interaction in the hybrid bilayer of silicene/SiC

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Publication details

The article was received on 05 Jan 2016, accepted on 14 Feb 2016 and first published on 23 Feb 2016


Article type: Paper
DOI: 10.1039/C6RA00225K
Citation: RSC Adv., 2016,6, 21948-21953
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    Impact of van der Waal’s interaction in the hybrid bilayer of silicene/SiC

    S. Nigam, C. Majumder and R. Pandey, RSC Adv., 2016, 6, 21948
    DOI: 10.1039/C6RA00225K

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