The chaotic behavior of high-field transport in weakly-coupled narrow-miniband GaAs/AlAs superlattices (SL) under ac + dc biases has been numerically studied within a self-consistent discrete model. It is shown that the regions of entrainment and quasiperiodicity form the Arnol'd tongues on the driv
Dissipative chaos in semiconductor superlattices
β Scribed by Alekseev, Kirill N.; Berman, Gennady P.; Campbell, David K.; Cannon, Ethan H.; Cargo, Matthew C.
- Book ID
- 125462830
- Publisher
- The American Physical Society
- Year
- 1996
- Tongue
- English
- Weight
- 264 KB
- Volume
- 54
- Category
- Article
- ISSN
- 1098-0121
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π SIMILAR VOLUMES
Ballistic electron transport is used to study the transmittance of GaAs=GaAlAs superlattices. In a three terminal device an energy tunable electron beam is injected via a tunneling barrier into an undoped superlattice and the transmitted current is measured as a function of the injector energy. Sign
The nonlinear transport properties of weakly coupled superlattices have been investigated by measuring real-time current traces and frequency spectra. Current self-oscillations are observed for the undriven system by simply applying a dc voltage. Doped superlattices as well as photoexcited undoped s
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