Hofbeck, K. and Grenzer, J. and Schomburg, Ekkehard and Ignatov, A. A. and Renk, Karl F. and Pavelev, D. G. and Koschurinov, Y. and Melzer, B. and Ivanov, S. and Schaposchnikov, S. and Kopev, P. S. (1996) High-frequency self-sustained current oscillation in an Esaki-Tsu superlattice monitored via microwave emission. PHYSICS LETTERS A, 218 (3-6). pp. 349-353. ISSN 0375-9601
Full text not available from this repository.Abstract
We report the observation of a high-frequency self-sustained current oscillation in an n doped GaAs/AlAs superlattice (at room temperature) that shows a negative differential conductance (Satiates superlattice). The superlattice biased in the region of the negative differential conductance emitted microwave radiation at a fundamental frequency of about 6 GHz and at harmonics. We attribute the oscillation to space charge instabilities inside the superlattice caused by Bragg reflection of electrons in the lowest, wide miniband.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | NEGATIVE DIFFERENTIAL CONDUCTANCE; SEMICONDUCTOR SUPERLATTICES; BLOCH OSCILLATIONS; TRANSPORT; ELECTRONS; DOMAINS; Esaki-Tsu superlattice; Bragg reflection; Bloch oscillations; space charge instabilities; current oscillation; microwave radiation |
| Subjects: | 500 Science > 530 Physics |
| Divisions: | Physics > Institute of Experimental and Applied Physics > Alumni or Retired Professors > Group Karl F. Renk |
| Depositing User: | Dr. Gernot Deinzer |
| Date Deposited: | 29 Jun 2023 08:09 |
| Last Modified: | 29 Jun 2023 08:09 |
| URI: | https://pred.uni-regensburg.de/id/eprint/51549 |
Actions (login required)
 |
View Item |
