Bel'kov, V. V. and Olbrich, P. and Tarasenko, S. A. and Schuh, D. and Wegscheider, W. and Korn, T. and Schueller, C. and Weiss, D. and Prettl, W. and Ganichev, S. D. (2008) Symmetry and spin dephasing in (110)-grown quantum wells. PHYSICAL REVIEW LETTERS, 100 (17): 176806. ISSN 0031-9007,
Full text not available from this repository.Abstract
Symmetry and spin dephasing in (110)-grown GaAs quantum wells (QWs) are investigated applying magnetic field induced photogalvanic effect and time-resolved Kerr rotation. We show that magnetic field induced photogalvanic effect provides a tool to probe the symmetry of (110)-grown quantum wells. The photocurrent is only observed for asymmetric structures but vanishes for symmetric QWs. Applying Kerr rotation we prove that in the latter case the spin relaxation time is maximal; therefore, these structures set the upper limit of spin dephasing in GaAs QWs. We also demonstrate that structure inversion asymmetry can be controllably tuned to zero by variation of delta-doping layer positions.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | RELAXATION; |
| Subjects: | 500 Science > 530 Physics |
| Divisions: | Physics > Institute of Experimental and Applied Physics > Professor Ganichev > Group Sergey Ganichev Physics > Institute of Experimental and Applied Physics > Alumni or Retired Professors > Group Werner Wegscheider Physics > Institute of Experimental and Applied Physics > Chair Professor Weiss > Group Dieter Weiss |
| Depositing User: | Dr. Gernot Deinzer |
| Date Deposited: | 03 Nov 2020 06:34 |
| Last Modified: | 03 Nov 2020 06:34 |
| URI: | https://pred.uni-regensburg.de/id/eprint/30910 |
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