Tuning spin-filtering,rectifying, and negative differential resistance by hydrogenation on topological edge defects of zigzag silicene nanoribbons |
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| Authors: | Xiaoteng Li Dongqing Zou Bin Cui Yuan Li Mei Wang Dongmei Li Desheng Liu |
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| Affiliation: | 1. School of Physics, State Key Laboratory of Crystal Materials, Shandong University, Jinan 250100, PR China;2. Department of Physics, Jining University, Qufu 273155, PR China;3. School of Information Science and Engineering, Shandong University, Qingdao 266237, PR China |
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| Abstract: | ![]()
By first-principles calculations, we propose three heterojunction nanodevices based on zigzag silicene nanoribbons with different edge-hydrogenated topological line defects. The devices all present excellent spin-filtering properties with 100% spin polarization as well as remarkable rectifying effect (with rectification ratio around 102) and negative differential resistance behaviors. Our findings shed new light on the design of silicon-based nanodevices with intriguing spintronic applications. |
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| Keywords: | Zigzag silicene nanoribbon heterojunction Hydrogenation Topological line defects Spin filters Rectifiers Negative differential resistance |
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