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

页码：30 / 35

页数：6

共 38 条

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