The electronic transport characteristics of hybridized hexagon beryllium sulfide and graphene nanoribbons

被引：1
作者：
Wang, Lihua [1 ]
Ding, Bingjun [2 ]
Guo, Yong [1 ]
机构：
[1] Shanxi Datong Univ, Sch Phys & Elect Sci, Datong 037009, Peoples R China
[2] Xi An Jiao Tong Univ, State Key Lab Mech Behav Mat, Xian 710049, Peoples R China
来源：
PHYSICS LETTERS A | 2017年 / 381卷 / 01期
基金：
中国国家自然科学基金;
关键词：
Negative differential resistance; Density functional theory; Hexagon beryllium sulfide; Graphene; Non-equilibrium Green's function method; RECTIFYING BEHAVIORS; HETEROJUNCTIONS; CONDUCTANCE; DEVICE;
D O I：
10.1016/j.physleta.2016.10.035
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Hybridized Z-BexSyCz (x+y+z=16) systems connected by zigzag beryllium-sulfide (BeS) and graphene nanoribbons are theoretically designed, and their electronic transport characteristics are explored by first principles approach. For the hybridized systems with unequal number of x and y, i.e. z is an odd number, an exceptional negative differential resistance (NDR) property occurs. However, for the hybridized systems including an even number of zigzag carbon chains, namely x equal to y, an interesting current-limited behavior happens. Meanwhile, the NDR phenomenon disappears. The spin transport properties of these hybridized Z-BexSyCz systems with parallel magnetism configuration also reveal the above odd-even dependence conductance behavior. (C) 2016 Elsevier B.V. All rights reserved.
引用
收藏
页码：30 / 35
页数：6
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