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Since the rise of graphene, the flatland of two-dimensional (2D) materials continues to expand its borders including more and more members with complementary properties. An overview of the more relevant members is proposed which accounts for the class of 2D layered transition metal dichalcogenides and elementary 2D materials. Amidst the latter ones is silicene, a honeycomb-like Si lattice. Silicene has recently attracted an enormous interest as emerging research material for the semiconductor technology roadmap because of its intrinsic affinity with the ubiquitous silicon technology. Free-standing silicene is energetically allowed provided that the chemical bonds are vertically buckled rather than being perfectly planar as in graphene. Nonetheless, a stable graphite-like Si allotrope does not exist in nature. Artificially forcing silicon atoms into a silicene lattice is made possible by the epitaxy of a silicon …
Springer, Cham
Publication date: 
1 Jan 2017
Biblio References: 
Pages: 137-152