Negative differential Rashba effect in two-dimensional hole systems.
(2004) Applied Physics Letters — Vol. 85, n° 15, p. 3151-3153 (2004)
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- Abstract
- We demonstrate experimentally and theoretically that two-dimensional s2Dd heavy-hole systems in single heterostructures exhibit a decrease in spin–orbit interaction-induced spin splitting with an increase in perpendicular electric field. Using front and back gates, we measure the spin splitting as a function of applied electric field while keeping the density constant. Our results are in contrast to the more familiar case of 2D electrons where spin splitting increases with electric field.
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Citations
Habib, B., Tutuc, E., Melinte, S., Shayegan, M., Wasserman, D., Lyon, S. A., & Winkler, R. (2004). Negative differential Rashba effect in two-dimensional hole systems. Applied Physics Letters, 85(15), 3151-3153. https://doi.org/10.1063/1.1806543 (Original work published 2004)