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http://hdl.handle.net/1783.1/2724
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| Title: | Spectral dependence of spin photocurrent and current-induced spin polarization in an InGaAs/InAlAs two-dimensional electron gas |
| Authors: | Yang, Chunlei
He, H. T.
Ding, Lu
Cui, L. J.
Zeng, Y. P.
Wang, Jiannong
Ge, Wei-Kun |
| Keywords: | Electron spin polarisation
Indium compounds
Gallium arsenide
Aluminium compounds
Two-dimensional electron gas
III-V semiconductors
Photoconductivity
Spin-orbit interactions
Shubnikov-de Haas effect |
| Issue Date: | 11-May-2006 |
| Citation: | Physical review letters, v. 96, 186605 (2006) |
| Abstract: | The converse effects of spin photocurrent and current induced spin polarization are experimentally demonstrated in a two-dimensional electron gas system with Rashba spin splitting. Their consistency with the strength of the Rashba coupling as measured for the same system from beating of the Shubnikov-de Haas oscillations reveals a unified picture for the spin photocurrent, current-induced spin-polarization, and spin-orbit coupling. In addition, the observed spectral inversion of the spin photocurrent indicates a system with dominating structure inversion asymmetry. |
| URI: | http://hdl.handle.net/1783.1/2724 |
| Appears in Collections: | PHYS Journal/Magazine Articles
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| prl186605.pdf | | 870Kb | Adobe PDF | View/Open |
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