Electronic transport properties and first-principles study of γ-graphyne, and γ-BN graphyne monolayers

被引：6
|
作者：
Ashhadi, M. [1 ]
机构：
[1] Univ Sistan & Baluchestan, Fac Sci, Dept Phys, Zahedan, Iran
来源：
SUPERLATTICES AND MICROSTRUCTURES | 2017年 / 111卷
关键词：
Tight binding; First-principles calculations; Nanostructures; Band structure; QUANTUM TRANSPORT; CARRIER MOBILITY; STORAGE CAPACITY; BORON-NITRIDE; GRAPHDIYNE; CARBON; PREDICTIONS; SHEET;
D O I：
10.1016/j.spmi.2017.08.018
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
The electron transport properties of an armchair gamma-graphyne (gamma-yne) nanoribbon and gamma-BN graphyne (gamma-BN-yne) nanoribbon embedded between two armchair gamma-yne nanoribbons are systematically investigated by a tight-binding (TB) model. The parameters of tight biding hopping and on-site energies are obtained by comparing the tight binding band structure of gamma-yne and gamma-BN-yne monolayers with the first-principles calculations. We numerically compute the electronic transport properties in terms of transmission and current-voltage characteristic. It is shown that by increasing the length of gamma-BN-yne nanoribbon transmission through the system decreases. (C) 2017 Elsevier Ltd. All rights reserved.
引用
收藏
页码：1162 / 1171
页数：10
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