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Experimental Separation of Rashba and Dresselhaus Spin Splittings in Semiconductor Quantum Wells
Open accessAbstract
The relative strengths of Rashba and Dresselhaus terms describing the spin-orbit coupling in semiconductor quantum well (QW) structures are extracted from photocurrent measurements on n-type InAs QWs containing a two-dimensional electron gas (2DEG). This novel technique makes use of the angular distribution of the spin-galvanic effect at certain directions of spin orientation in the plane of a QW. The ratio of the relevant Rashba and Dresselhaus coefficients can be deduced directly from experiment and does not relay on theoretically obtained quantities. Thus our experiments open a new way to determine the different contributions to spin-orbit coupling.
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Citations
Cited by
Current-induced spin–orbit torques
Gambardella, P., & Miron, I. M. (2011) · Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences · doi:10.1098/rsta.2010.0336 · Cited by 417
Measurement of Rashba and Dresselhaus spin–orbit magnetic fields
Meier, L., Salis, G., Shorubalko, I., Gini, E., Schön, S., & Ensslin, K. (2007) · Nature Physics · doi:10.1038/nphys675 · Cited by 302
Spin–orbit coupling and spin transport
Rashba, E. I. (2006) · Physica E: Low-dimensional Systems and Nanostructures · doi:10.1016/j.physe.2006.02.014 · Cited by 91
Metadata
- Authors
- Ganichev, S. D., Bel’kov, V. V., Golub, L. E., Ivchenko, E. L., Schneider, P., Giglberger, S., Eroms, J., De Boeck, J., Borghs, G., Wegscheider, W., Weiss, D., & Prettl, W.
- Venue
- Physical Review Letters
- Publisher
- American Physical Society (APS)
- Published
- 2004-06-23
- Volume
- 92
- Issue
- 25
- Pages
- 256601-256601
- ISSN
- 0031-9007 (ISSN-L)
- 1079-7114
- OpenAlex
- W2156490746
- Cited by
- 356
- References
- 0
- FWCI
- 17.40
- Type
- journal article
- Language
- en
- Open access
- green
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- Ganichev, S. D., Bel’kov, V. V., Golub, L. E., Ivchenko, E. L., Schneider, P., Giglberger, S., Eroms, J., De Boeck, J., Borghs, G., Wegscheider, W., Weiss, D., & Prettl, W. (2004). Experimental Separation of Rashba and Dresselhaus Spin Splittings in Semiconductor Quantum Wells. Physical Review Letters. https://doi.org/10.1103/physrevlett.92.256601
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