We use a semiclassical description for an analysis of the detection of THz-photons by electrons performing Bloch oscillations in a semiconductor superlattice. We show that the current responsivity of the superlattice detector can nearly reach the quantum efficiency e/hω at room temperature if the su
Multistable current–voltage characteristics a fingerprints of growth-related imperfections in semiconductor superlattices
✍ Scribed by G. Schwarz; M. Patra; F. Prengel; E. Schöll
- Publisher
- Elsevier Science
- Year
- 1998
- Tongue
- English
- Weight
- 278 KB
- Volume
- 23
- Category
- Article
- ISSN
- 0749-6036
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✦ Synopsis
The influence of imperfections and growth-related disorder on the current-voltage characteristics of doped superlattices is investigated theoretically. It is demonstrated that the location of a defect can be directly identified from the current measurements. Such measurements can also be used as an estimate for the degree of microscopic disorder.
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