Spin-dependent transport characteristics of nanostructures based on armchair arsenene nanoribbons

被引：8
|
作者：
Yang, Kai-Wei [1 ]
Li, Ming-Jun [1 ]
Zhang, Xiao-Jiao [2 ]
Li, Xin-Mei [1 ]
Gao, Yong-Li [1 ,3 ]
Long, Meng-Qiu [1 ]
机构：
[1] Cent South Univ, Sch Phys & Elect, Hunan Key Lab Super Microstruct & Ultrafast Proc, Changsha 410083, Hunan, Peoples R China
[2] Yichun Univ, Phys Sci & Technol Coll, Yichun 336000, Peoples R China
[3] Univ Rochester, Dept Phys & Astron, Rochester, NY 14627 USA
来源：
CHINESE PHYSICS B | 2017年 / 26卷 / 09期
基金：
中国国家自然科学基金;
关键词：
armchair arsenene nanoribbons; spin-dependent electronic transport property; spin-polarized density-functional theory; bipolar spin-filtering behavior; ELECTRONIC-PROPERTIES; EDGE-DEFECT; MAGNETORESISTANCE; MONOLAYER;
D O I：
10.1088/1674-1056/26/9/098509
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
By employing non-equilibrium Green's function combined with the spin-polarized density-functional theory, we investigate the spin-dependent electronic transport properties of armchair arsenene nanoribbons (aAsNRs). Our results show that the spin-metal and spin-semiconductor properties can be observed in aAsNRs with different widths. We also find that there is nearly 100% bipolar spin-filtering behavior in the aAsNR-based device with antiparallel spin configuration. Moreover, rectifying behavior and giant magnetoresistance are found in the device. The corresponding physical analyses have been given.
引用
收藏
页数：7
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