Please use this identifier to cite or link to this item: http://hdl.handle.net/1783.1/1872

General analysis of instabilities and oscillations of the sequential tunneling in superlattices

Authors Wang, XR
Niu, Q
Issue Date 1999
Source PHYSICAL REVIEW B , v. 59, (20), 1999, MAY 15, p. 12755-12758
Summary We present a general analysis of instabilities and oscillations of the sequential tunneling current in superlattices, based on the current-voltage characteristic of a single barrier. Our results depend only on the presence of a negative differential resistance region and are independent of the details of the model. We establish general conditions for the existence of a stable oscillatory region of current-voltage characteristic of the superlattice, and for instability leading to current self-oscillation. Our formalism permits a natural connection to standard results of chaos theory. [S0163-1829(99)50520-1].
Subjects
ISSN 1098-0121
Rights Physical Review B - Condensed Matter and Materials Physics © copyright 1999 American Physical Society. The Journal's web site is located at http://prb.aps.org
Language English
Format Article
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