Abstract
We investigated the electronic structure and spin-dependent transport properties of zigzag \(\upalpha \)-2 graphyne nanoribbons (Z\(\upalpha \)-2GYNRs) with boron (B) atomic doping by using first-principle non-equilibrium Green’s function method. We observed a spin-polarized semi-metallic electronic structure with an acetylenic (sp hybridized) carbon at the edge which is substituted by boron. We also calculated the spin-dependent transport properties and observed both unidirectional and bidirectional spin-filtering effects. Our results demonstrated boron substitution as an effective method for modulating the spin-dependent electronic property of the Z\(\upalpha \)-2GYNRs. This work would provide a new scheme for designing graphyne-based spintronics devices.
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Data Availability Statement
This manuscript has no associated data or the data will not be deposited. [Authors’ comment: The results of this work are carried out by Quantum ATK based on the first-principle method, and all data are shown as table and figures in text.]
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Acknowledgements
We gratefully acknowledge support by the National Natural Science Foundation of China (Grant nos. 21673296 and 51932011).
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Zhang, X., Peng, D., Xie, X. et al. Modulating the spin-dependent electronic structures and transport properties of zigzag \(\upalpha \)-2 graphyne nanoribbons by boron doping. Eur. Phys. J. B 94, 86 (2021). https://doi.org/10.1140/epjb/s10051-021-00092-0
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DOI: https://doi.org/10.1140/epjb/s10051-021-00092-0