2016
DOI: 10.1063/1.4944631
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Silicene: Recent theoretical advances

Abstract: Silicene is a two-dimensional allotrope of silicon with a puckered hexagonal structure closely related to the structure of graphene and that has been predicted to be stable. To date, it has been successfully grown in solution (functionalized) and on substrates. The goal of this review is to provide a summary of recent theoretical advances in the properties of both free-standing silicene as well as in interaction with molecules and substrates, and of proposed device applications.

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Cited by 102 publications
(52 citation statements)
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References 184 publications
(245 reference statements)
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“…20 Theoretical studies have predicted that both silicene and germanene exhibit linear band dispersions near the Fermi level similar to graphene. 21,22 During the large-area synthesis of these two-dimensional materials, as-grown structural defects are often the first concern in the context of their practical applications. In addition, structural defects in two-dimensional materials can also be produced during the materials processing (e.g., heavy ion bombardment, high-energy electron irradiation and cold plasma treatment).…”
Section: Introductionmentioning
confidence: 99%
“…20 Theoretical studies have predicted that both silicene and germanene exhibit linear band dispersions near the Fermi level similar to graphene. 21,22 During the large-area synthesis of these two-dimensional materials, as-grown structural defects are often the first concern in the context of their practical applications. In addition, structural defects in two-dimensional materials can also be produced during the materials processing (e.g., heavy ion bombardment, high-energy electron irradiation and cold plasma treatment).…”
Section: Introductionmentioning
confidence: 99%
“…In this respect, we need to numerically calculate Eq. (5). Note that, for T > 0, the effect of temperature on the chemical potential, µ, must be taken into account.…”
Section: Resultsmentioning
confidence: 99%
“…But near the so-called Dirac point, where valence and conduction bands meet, the electronic band structure is linear, just as it is in graphene. 12 Because no double bonds exist in the lattice and Si remains tetrahedrally coordinated, the Si atoms must be "functionalized," or bonded to some other molecule or lattice. To date, no one has experimentally synthesized free-standing silicene.…”
Section: Honeycomb Siliconmentioning
confidence: 99%