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Spin-dependent transport characteristics of nanostructures based on armchair arsenene nanoribbons |
| Kai-Wei Yang(杨开巍)1, Ming-Jun Li(李明君)1, Xiao-Jiao Zhang(张小姣)2, Xin-Mei Li(李新梅)1, Yong-Li Gao(高永立)1,3, Meng-Qiu Long(龙孟秋)1 |
1 Hunan Key laboratory of Super Micro-structure and Ultrafast Process, School of Physics and Electronics, Central South University, Changsha 410083, China;
2 Physical Science and Technology College of Yichun University, Yichun 336000, China;
3 Department of Physics and Astronomy, University of Rochester, Rochester, NY 14627, USA |
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Abstract 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.
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Received: 20 March 2017
Revised: 06 June 2017
Accepted manuscript online:
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PACS:
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85.75.-d
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(Magnetoelectronics; spintronics: devices exploiting spin polarized transport or integrated magnetic fields)
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73.63.-b
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(Electronic transport in nanoscale materials and structures)
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| Fund: Project supported by the National Natural Science Foundation of China (Grant Nos. 21673296 and 11334014), the Science and Technology Plan of Hunan Province, China (Grant No. 2015RS4002), and the Postdoctoral Science Foundation of Central South University, China. |
Corresponding Authors:
Ming-Jun Li, Meng-Qiu Long
E-mail: limingjun@csu.edu.cn;mqlong@csu.edu.cn
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Cite this article:
Kai-Wei Yang(杨开巍), Ming-Jun Li(李明君), Xiao-Jiao Zhang(张小姣), Xin-Mei Li(李新梅), Yong-Li Gao(高永立), Meng-Qiu Long(龙孟秋) Spin-dependent transport characteristics of nanostructures based on armchair arsenene nanoribbons 2017 Chin. Phys. B 26 098509
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