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Title: Freestanding silicene
Authors: Cahangirov, Seymur
Şahin, Hasan
Le Lay, Guy
Rubio, Angel
Şahin, Hasan
Izmir Institute of Technology. Photonics
Keywords: Nanosilicon
2D materials
Issue Date: Nov-2017
Publisher: Springer Verlag
Source: Cahangirov, S., Şahin, H., Le Lay, G., and Rubio, A. (2017). Freestanding silicene. Introduction to the Physics of Silicene and other 2D Materials, (pp. 13-39). Switzerland: Springer. doi:10.1007/978-3-319-46572-2_2
Abstract: Obtaining a freestanding 2D graphene flake is relatively easy because it has a naturally occurring 3D layered parent material, graphite, made up of graphene layers weakly bound to each other by van der Waals interaction. In fact, graphite is energetically more favorable than diamond (which is one of the most stable and hard materials on Earth) that is the sp3 hybridized allotrope of carbon. To prepare freestanding graphene, it is enough to come up with a smart procedure for isolating the weakly bound layers of graphite. The same is also true for other layered materials like hexagonal boron nitride, black phosphorus, metal dichalcogenides and oxides. Silicene, on the other hand, doesn’t have a naturally occurring 3D parent material since silicon atoms prefer sp3 hybridization over sp2 hybridization. This makes the synthesis of freestanding silicene very hard, if not impossible. However, it is possible to epitaxially grow silicene on metal substrates and make use of its intrinsic properties by transferring it to an insulating substrate (Tao et al. 2015). In this chapter, we focus on intrinsic properties of freestanding silicene in the absence of the metallic substrate.
ISBN: 978-3-319-46570-8
ISSN: 0075-8450
Appears in Collections:Photonics / Fotonik
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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