Spin-dependent transport properties in covalent-organic molecular device with graphene nanoribbon electrodes

被引：9
|
作者：
Chen, Wei [1 ,2 ]
Mao, Weiwei [1 ,2 ]
Bian, Baoan [3 ]
Xu, Ning [4 ]
Chen, Runfeng [1 ]
Li, Xing-ao [1 ]
Wang, Lianhui [1 ]
机构：
[1] Nanjing Univ Posts & Telecommun, Synerget Innovat Ctr Organ Elect & Informat Displ, Key Lab Organ Elect & Informat Displays, Inst Adv Mat,Sch Mat Sci & Engn, Nanjing 210023, Jiangsu, Peoples R China
[2] Nanjing Univ Posts & Telecommun, Sch Sci, Informat Phys Res Ctr, Nanjing 210023, Jiangsu, Peoples R China
[3] Jiangnan Univ, Sch Sci, Wuxi 214122, Peoples R China
[4] Yancheng Inst Technol, Dept Phys, Yancheng 224051, Peoples R China
来源：
COMPUTATIONAL AND THEORETICAL CHEMISTRY | 2016年 / 1091卷
基金：
中国国家自然科学基金;
关键词：
Spin transport; Molecular device; Graphene nanoribbon; GIANT MAGNETORESISTANCE; DIFFERENTIAL RESISTANCE; 1,4-DINITROBENZENE; SPINTRONICS; EDGE;
D O I：
10.1016/j.comptc.2016.07.015
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Based on the first-principles method, the spin-dependent transport properties of covalent-organic molecular device embedded between two zigzag-edge graphene nanoribbon (ZGNR) electrodes have been studied. It is revealed that in the parallel (P) spin configuration of two ZGNR electrodes, the molecular device exhibits a robust spin filtering effect (up to 100%). In another case of antiparallel (AP) spin configuration, dual spin filtering, spin rectifying as well as negative differential resistance (NDR) effects were discovered. These calculated results offer useful ideas for designing high-performance ZGNR-based molecular devices. (C) 2016 Elsevier B.V. All rights reserved.
引用
收藏
页码：85 / 91
页数：7
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