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Observation of inverse spin Hall effect in bismuth selenide
Open accessAbstract
Bismuth Selenide $({\mathrm{Bi}}_{2}{\mathrm{Se}}_{3})$ is a topological insulator exhibiting helical spin polarization and strong spin-orbit coupling. The spin-orbit coupling links the charge current to spin current via the spin Hall effect (SHE). We demonstrate a ${\mathrm{Bi}}_{2}{\mathrm{Se}}_{3}$ spin detector by injecting the pure spin current from a magnetic permalloy layer to a ${\mathrm{Bi}}_{2}{\mathrm{Se}}_{3}$ thin film and detect the inverse SHE in ${\mathrm{Bi}}_{2}{\mathrm{Se}}_{3}$. The spin Hall angle of ${\mathrm{Bi}}_{2}{\mathrm{Se}}_{3}$ is found to be 0.0093 \ifmmode\pm\else\textpm\fi{} 0.0013 and the spin diffusion length in ${\mathrm{Bi}}_{2}{\mathrm{Se}}_{3}$ to be 6.2 \ifmmode\pm\else\textpm\fi{} 0.15 nm at room temperature. Our results suggest that topological insulators with strong spin-orbit coupling can be used in functional spintronic devices.
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Cites
Topological insulators and superconductors
Qi, X.-L., & Zhang, S.-C. (2011) · Reviews of Modern Physics · doi:10.1103/revmodphys.83.1057 · Cited by 14,394
Quantum Spin Hall Insulator State in HgTe Quantum Wells
König, M., Wiedmann, S., Brüne, C., Roth, A., Buhmann, H., Molenkamp, L. W., Qi, X.-L., & Zhang, S.-C. (2007) · Science · doi:10.1126/science.1148047 · Cited by 6,151
Hirsch, J. E. (1999) · Physical Review Letters · doi:10.1103/physrevlett.83.1834 · Cited by 3,163
Conversion of spin current into charge current at room temperature: Inverse spin-Hall effect
Saitoh, E., Ueda, M., Miyajima, H., & Tatara, G. (2006) · Applied Physics Letters · doi:10.1063/1.2199473 · Cited by 2,157
Observation of Unconventional Quantum Spin Textures in Topological Insulators
Hsieh, D., Xia, Y., Wray, L., Qian, D., Pal, A., Dil, J. H., Osterwalder, J., Meier, F., Bihlmayer, G., Kane, C. L., et al. (2009) · Science · doi:10.1126/science.1167733 · Cited by 1,239
Two-dimensional surface state in the quantum limit of a topological insulator
Analytis, J. G., McDonald, R. D., Riggs, S. C., Chu, J.-H., Boebinger, G. S., & Fisher, I. R. (2010) · Nature Physics · doi:10.1038/nphys1861 · Cited by 595
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Magnetic topological insulators
Tokura, Y., Yasuda, K., & Tsukazaki, A. (2019) · Nature Reviews Physics · doi:10.1038/s42254-018-0011-5 · Cited by 1,074
Kondou, K., Yoshimi, R., Tsukazaki, A., Fukuma, Y., Matsuno, J., Takahashi, K. S., Kawasaki, M., Tokura, Y., & Otani, Y. (2016) · Nature Physics · doi:10.1038/nphys3833 · Cited by 409
Wang, Y., Zhu, D., Wu, Y., Yang, Y., Yu, J., Ramaswamy, R., Mishra, R., Shi, S., Elyasi, M., Teo, K.-L., et al. (2017) · Nature Communications · doi:10.1038/s41467-017-01583-4 · Cited by 377
Self-citationTong, M., Hu, Y., Wang, Z., Zhou, T., Xie, X., Cheng, X., & Jiang, T. (2021) · Nano Letters · doi:10.1021/acs.nanolett.0c03079 · Cited by 58
Metadata
- Authors
- Deorani, P., Son, J., Banerjee, K., Koirala, N., Brahlek, M., Oh, S., & Yang, H.
- Venue
- Physical Review B
- Publisher
- American Physical Society (APS)
- Published
- 2014-09-03
- Volume
- 90
- Issue
- 9
- ISSN
- 1098-0121 (ISSN-L)
- 1550-235X
- OpenAlex
- W2023925997
- Cited by
- 191
- References
- 6
- FWCI
- 7.99
- Type
- journal article
- Language
- en
- Open access
- green
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- Deorani, P., Son, J., Banerjee, K., Koirala, N., Brahlek, M., Oh, S., & Yang, H. (2014). Observation of inverse spin Hall effect in bismuth selenide. Physical Review B. https://doi.org/10.1103/physrevb.90.094403
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