Electron Transport Properties of Two-Dimensional Si1P1 Molecular Junctions Supported by the National Natural Science Foundation of China under Grant No 11374033

We focus on two new 2D materials, i.e., monolayer and bilayer silicon phosphides (Si1P1). Based on the elastic-scattering Green's function, the electronic-transport properties of two-dimensional monolayer and bilayer AuSi1P1-Au molecular junctions are studied. It is found that their bandgaps ar...

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Bibliographic Details
Published in:Chinese physics letters 2017-02, Vol.34 (2)
Main Authors: Gao, Rui-Fang, Su, Wen-Yong, Wang, Feng, Feng, Wan-Xiang
Format: Article
Language:English
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Summary:We focus on two new 2D materials, i.e., monolayer and bilayer silicon phosphides (Si1P1). Based on the elastic-scattering Green's function, the electronic-transport properties of two-dimensional monolayer and bilayer AuSi1P1-Au molecular junctions are studied. It is found that their bandgaps are narrow (0.16 eV for a monolayer molecular junction and 0.26 eV for a bilayer molecular junction). Moreover, the calculated current-voltage characteristics indicate that the monolayer molecular junction provides constant output current (20 nA) over a wide voltage range, and the bilayer molecular junction provides higher current (42 nA).
ISSN:0256-307X
DOI:10.1088/0256-307X/34/2/027201