Dual spin filtering and dual spin diode through a zigzag silicene nanoribbon

被引：0
作者：
Liu, Weiming [1 ,2 ]
Lv, Xiaoling [1 ,2 ]
Zhou, Mingshuo [1 ,2 ]
Meng, Yuan [1 ,2 ]
Zheng, Yisong [3 ]
机构：
[1] Changchun Univ Sci & Technol, Sch Mat Sci & Engn, Changchun 130022, Peoples R China
[2] Minist Educ, Engn Res Ctr Optoelect Funct Mat, Changchun 130022, Peoples R China
[3] Jilin Univ, Dept Phys, Changchun 130012, Peoples R China
来源：
PHYSICA B-CONDENSED MATTER | 2024年 / 689卷
关键词：
DFT; Spin filtering; Silicene nanoribbons; Transmission; BAND-GAP; ADSORPTION;
D O I：
10.1016/j.physb.2024.416148
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
In this study, we investigate the spin-dependent electron transport properties of a zigzag silicene nanoribbon (ZSiNR) by using spin-polarized density functional theory and the non-equilibrium Green's function method. The results show that such a ZSiNR with an FM configuration exists the perfect dual spin filtering and dual spin diode effects when the bias voltage was applied. These phenomena still exist in ZSiNRs with different widths. As the ribbon width increases, the progressively smaller bias voltage is required to trigger a polarized current. Therefore, such a ZSiNR in FM configuration is a good candidate for spintronic devices.
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页数：6
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