Transport properties in monolayer-bilayer-monolayer graphene planar junctions

doi:10.1088/1674-1056/26/6/067202

中国物理B ›› 2017, Vol. 26 ›› Issue (6): 67202-067202.doi: 10.1088/1674-1056/26/6/067202

• CONDENSED MATTER: ELECTRONIC STRUCTURE, ELECTRICAL, MAGNETIC, AND OPTICAL PROPERTIES • 上一篇下一篇

Transport properties in monolayer-bilayer-monolayer graphene planar junctions

Kai-Long Chu(储开龙), Zi-Bo Wang(王孜博), Jiao-Jiao Zhou(周娇娇), Hua Jiang(江华)

1 College of Physics, Optoelectronics and Energy Soochow University, Suzhou 215006, China;
2 Microsystems and Terahertz Research Center, China Academy of Engineering Physics, Chengdu 610200, China

收稿日期:2017-02-24 修回日期:2017-04-13 出版日期:2017-06-05 发布日期:2017-06-05
通讯作者: Hua Jiang E-mail:jianghuaphy@suda.edu.cn
基金资助:
Project supported by the National Natural Science Foundation of China (Grant No. 11374219), the Jiangsu Provincial Natural Science Foundation, China (Grant No. BK20160007), and the Research Fund for the Doctoral Program of Higher Education of China.

Transport properties in monolayer-bilayer-monolayer graphene planar junctions

Kai-Long Chu(储开龙)¹, Zi-Bo Wang(王孜博)², Jiao-Jiao Zhou(周娇娇)¹, Hua Jiang(江华)¹

1 College of Physics, Optoelectronics and Energy Soochow University, Suzhou 215006, China;
2 Microsystems and Terahertz Research Center, China Academy of Engineering Physics, Chengdu 610200, China

Received:2017-02-24 Revised:2017-04-13 Online:2017-06-05 Published:2017-06-05
Contact: Hua Jiang E-mail:jianghuaphy@suda.edu.cn
Supported by:
Project supported by the National Natural Science Foundation of China (Grant No. 11374219), the Jiangsu Provincial Natural Science Foundation, China (Grant No. BK20160007), and the Research Fund for the Doctoral Program of Higher Education of China.

摘要/Abstract

摘要：

The transport study of graphene based junctions has become one of the focuses in graphene research. There are two stacking configurations for monolayer-bilayer-monolayer graphene planar junctions. One is the two monolayer graphene contacting the same side of the bilayer graphene, and the other is the two-monolayer graphene contacting the different layers of the bilayer graphene. In this paper, according to the Landauer-Büttiker formula, we study the transport properties of these two configurations. The influences of the local gate potential in each part, the bias potential in bilayer graphene, the disorder and external magnetic field on conductance are obtained. We find the conductances of the two configurations can be manipulated by all of these effects. Especially, one can distinguish the two stacking configurations by introducing the bias potential into the bilayer graphene. The strong disorder and the external magnetic field will make the two stacking configurations indistinguishable in the transport experiment.

关键词: monolayer graphene, bilayer graphene, graphene planar junction

Abstract:

Key words: monolayer graphene, bilayer graphene, graphene planar junction

中图分类号: (Electronic transport in graphene)

72.80.Vp

72.25.-b (Spin polarized transport) 73.22.Pr (Electronic structure of graphene) 81.05.ue (Graphene)

储开龙, 王孜博, 周娇娇, 江华. Transport properties in monolayer-bilayer-monolayer graphene planar junctions[J]. 中国物理B, 2017, 26(6): 67202-067202.

Kai-Long Chu(储开龙), Zi-Bo Wang(王孜博), Jiao-Jiao Zhou(周娇娇), Hua Jiang(江华). Transport properties in monolayer-bilayer-monolayer graphene planar junctions[J]. Chin. Phys. B, 2017, 26(6): 67202-067202.

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Transport properties in monolayer-bilayer-monolayer graphene planar junctions

Transport properties in monolayer-bilayer-monolayer graphene planar junctions

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