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    Effects of heavy metal adsorption on silicene

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    Type
    Article
    Authors
    Kaloni, Thaneshwor P.
    Schwingenschlögl, Udo cc
    KAUST Department
    Computational Physics and Materials Science (CPMS)
    Material Science and Engineering Program
    Physical Science and Engineering (PSE) Division
    Date
    2014-06-02
    Online Publication Date
    2014-06-02
    Print Publication Date
    2014-08
    Permanent link to this record
    http://hdl.handle.net/10754/563586
    
    Metadata
    Show full item record
    Abstract
    Based on first-principles calculations, we study the effects of heavy metal atoms (Au, Hg, Tl, and Pb) adsorbed on silicene. We find that the hollow site is energetically favorable in each case. We particulary address the question how the adsorption modifies the band structure in the vicinity of the Fermi energy. Our results demonstrate that the heavy metal adatoms result in substantial energy gaps and band splittings in the silicene sheet as long as the binding is strong, which, however, is not always the case. (© 2014 WILEY-VCH Verlag GmbH &Co. KGaA, Weinheim) Carbon nanotube flexible sponge was manufactured as high performance electromagnetic shielding material. Chemical vapour deposition (CVD) synthesized sponges with extreme light weight show an electromagnetic shielding above 20 dB and a specific electromagnetic shielding as high as 1100 dB cm3g-1 in the whole 1-18 GHz range. © 2014 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
    Citation
    Kaloni, T. P., & Schwingenschlögl, U. (2014). Effects of heavy metal adsorption on silicene. Physica Status Solidi (RRL) - Rapid Research Letters, 8(8), 685–687. doi:10.1002/pssr.201409245
    Publisher
    Wiley
    Journal
    physica status solidi (RRL) - Rapid Research Letters
    DOI
    10.1002/pssr.201409245
    ae974a485f413a2113503eed53cd6c53
    10.1002/pssr.201409245
    Scopus Count
    Collections
    Articles; Physical Science and Engineering (PSE) Division; Material Science and Engineering Program; Computational Physics and Materials Science (CPMS)

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