Getting through the nature of silicene: sp2-sp3 two-dimensional silicon nanosheet

E. Cinquanta; E. Scalise; D. Chiappe; C. Grazianetti; B. van den Broek; M. Houssa; M. Fanciulli; A. Molle

doi:10.1021/jp405642g

Getting through the nature of silicene: sp2-sp3 two-dimensional silicon nanosheet

Mesoscale and Nanoscale Physics 2013-08-20 v3 Materials Science

Authors: E. Cinquanta , E. Scalise , D. Chiappe , C. Grazianetti , B. van den Broek , M. Houssa , M. Fanciulli , A. Molle

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Abstract

By combining experimental techniques with ab-initio density functional theory calculations, we describe the Si/Ag(111) two-dimensional system in terms of a sp2-sp3 crystalline form of silicon characterized by a vertically distorted honeycomb lattice. We show that 2D sp2-sp3 Si NSs are qualified by a prevailing Raman peak which can be assigned to a graphene-like E2g vibrational mode and that highly distorted superstructures are semiconductive whereas low distorted ones behave as semimetals.

Keywords

silicene sp2-sp3 hybridization two-dimensional silicon Si/Ag(111) Raman spectroscopy density functional theory semimetal

Cite

@article{arxiv.1212.5422,
  title  = {Getting through the nature of silicene: sp2-sp3 two-dimensional silicon nanosheet},
  author = {E. Cinquanta and E. Scalise and D. Chiappe and C. Grazianetti and B. van den Broek and M. Houssa and M. Fanciulli and A. Molle},
  journal= {arXiv preprint arXiv:1212.5422},
  year   = {2013}
}

Getting through the nature of silicene: sp2-sp3 two-dimensional silicon nanosheet

Abstract

Keywords

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