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Issue 46, 2013
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Tuning the electronic and magnetic properties of zigzag silicene nanoribbons by edge hydrogenation and doping

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Abstract

We have performed density-functional-theory calculations to study the electronic and magnetic properties of edge-hydrogenated and edge-doped zigzag silicene nanoribbons (ZSiNRs). The formation energies of monohydrogenated and dihydrogenated edges slightly depend on the width of ZSiNRs, whereas the electronic and magnetic properties of ZSiNRs can be tuned by the different forms of edge hydrogenation. The dihydrogenated edges can effectively stabilize the antiferromagnetic semiconducting ground state of ZSiNRs. Moreover, nitrogen- or phosphorus-doped monohydrogenated ZSiNR is a magnetic semiconductor, and becomes a half-metal under a transverse electric field. Owing to the compelling electronic and magnetic properties, silicene nanoribbons hold great promise for application in nanodevices.

Graphical abstract: Tuning the electronic and magnetic properties of zigzag silicene nanoribbons by edge hydrogenation and doping

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Publication details

The article was received on 03 Jun 2013, accepted on 04 Oct 2013 and first published on 07 Oct 2013


Article type: Paper
DOI: 10.1039/C3RA42720J
Citation: RSC Adv., 2013,3, 24075-24080

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    Tuning the electronic and magnetic properties of zigzag silicene nanoribbons by edge hydrogenation and doping

    D. Fang, S. Zhang and H. Xu, RSC Adv., 2013, 3, 24075
    DOI: 10.1039/C3RA42720J

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