Silicene is a phantom material
https://doi.org/10.17586/2220-8054-2016-7-6-983-1001
Abstract
The paper presents a comparative consideration of sp2 nanocarbons and their silicon and higher tetrels analogues from the viewpoint of the spin molecular theory taking into account the electron correlation in open-shell molecules. High radicalization of silicene and quantum instability of flat honeycomb 2D structures of germanene and stanene make all the species phantom materials leaving graphene the only one-atom thick 2D solid free of the crucial restrictions.
Keywords
silicene,
siligraphene,
boronitrosilicene,
spin molecular theory,
unrestricted Hartree-Fock formalism,
open-shell molecules
Supporting agencies: The author is grateful to P.V. Avramov for fruitful discussions. The work was performed under financial support of the Peoples’ Friendship University of Russia, grant: 022203-0-000.
About the Author
E. F. Sheka
Peoples’ Friendship University of Russia
Russian Federation
Russian Federation
Department of Theoretical Physics and Mechanics
Str. Miklukho-Maklay, 6, Moscow 117198
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Review
For citations:
Sheka E.F. Silicene is a phantom material. Nanosystems: Physics, Chemistry, Mathematics. 2016;7(6):983-1001. https://doi.org/10.17586/2220-8054-2016-7-6-983-1001
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