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Direct and indirect transitions in (GaAs)m/(AlAs)5 superlattices

✍ Scribed by Hidetoshi Fujimoto; Chihiro Hamaguchi; Takeshi Nakazawa; Kenji Imanishi; Kenji Taniguchi; Shigehiko Sasa

Book ID
118363444
Publisher
Elsevier Science
Year
1990
Tongue
English
Weight
303 KB
Volume
228
Category
Article
ISSN
0039-6028

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Transition between synchronization and c
Transition between synchronization and chaos in doped GaAs/AlAs superlattices
✍ Yaohui Zhang; Robert Klann; Holger T. Grahn; Klaus H. Ploog πŸ“‚ Article πŸ“… 1997 πŸ› Elsevier Science 🌐 English βš– 258 KB

The transition between chaotic and periodic regimes in spontaneous current oscillations of weakly coupled, doped GaAs/AlAs superlattices has been observed by varying the external d.c. bias. The chaotic current oscillations are observed for voltage ranges, which exhibit a large negative differential