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Issue 10, 2012
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Giant magnetoresistance in silicene nanoribbons†

Chengyong Xu,a   Guangfu Luo,ab   Qihang Liu,a   Jiaxin Zheng,ac   Zhimeng Zhang,a   Shigeru Nagase,b   Zhengxiang Gaoa  and  Jing Lu*a  
Author affiliations

* Corresponding authors

a State Key Laboratory of Mesoscopic Physics and Department of Physics, Peking University, Beijing 100871, P. R. China
E-mail: jinglu@pku.edu.cn

b Department of Theoretical and Computational Molecular Science, Institute for Molecular Science, Okazaki 444-8585, Japan

c Academy for Advanced Interdisciplinary Studies, Peking University, Beijing 100871, P. R. China

Abstract

By performing first-principle quantum transport calculations, we predict a giant magnetoresistance in zigzag silicene nanoribbons (ZSiNRs) connecting two semi-infinite silicene electrodes through switch of the edge spin direction of ZSiNRs. Spin-filter efficiency of both the antiferromagnetic and ferromagnetic ZSiNRs is sign-changeable with the bias voltage. Therefore, potential application of silicene in spintronics devices is suggested.

Graphical abstract: Giant magnetoresistance in silicene nanoribbons

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Article information

https://doi.org/10.1039/C2NR00037G
Submitted
05 Jan 2012
Accepted
16 Mar 2012
First published
21 Mar 2012
Nanoscale, 2012,4, 3111-3117
Article type
Paper
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Giant magnetoresistance in silicene nanoribbons

C. Xu, G. Luo, Q. Liu, J. Zheng, Z. Zhang, S. Nagase, Z. Gao and J. Lu, Nanoscale, 2012, 4, 3111
DOI: 10.1039/C2NR00037G

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