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Issue 33, 2018
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Two dimensional monolayer rhombic silicene on the diamond (111) surface

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Abstract

Two-dimensional rhombic silicene (named r-silicene) bonded on the diamond (111) surface with a (1 × 1) configuration is predicted by density functional theory. The planar structure of r-silicene has P6/mmm symmetry, and it is dynamically and thermodynamically stable on the diamond surface. r-Silicene has a metallic character, which is different to both bulk cubic Si and hexagonal silicene. The hybrid structure of r-silicene/diamond consists of a metallic surface and a wide band gap semiconductor diamond substrate, providing a novel low-dimensional composite based on silicon–diamond to realize high performance nanodevices. Moreover, a similar rhombic configuration of monolayer germanene has been theoretically constructed on the diamond (111) substrate.

Graphical abstract: Two dimensional monolayer rhombic silicene on the diamond (111) surface

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Article information


Submitted
08 Jun 2018
Accepted
01 Aug 2018
First published
02 Aug 2018

Phys. Chem. Chem. Phys., 2018,20, 21699-21704
Article type
Paper

Two dimensional monolayer rhombic silicene on the diamond (111) surface

R. Xu, N. Gao, H. Li, D. Qiu, Q. Wang and S. Cheng, Phys. Chem. Chem. Phys., 2018, 20, 21699
DOI: 10.1039/C8CP03624A

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