Abstract
The influence exerted by a nonlinear electromagnetic wave on the dc conductivity of a superlattice is analyzed. An essentially nonlinear current-voltage (I-V) characteristic is obtained. A portion of negative absolute conductivity appears in the I-V characteristic at certain nonlinear-wave parameters. A distinction is made between the given case and that of a monochromatic wave, when a large number of such portions may exist. For typical superlattice parameters, some of the negative absolute conductivity must appear at a nonlinear wave field strength E 0≈1.8×103 V/cm.
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Translated from Fizika i Tekhnika Poluprovodnikov, Vol. 35, No. 5, 2001, pp. 575–577.
Original Russian Text Copyright © 2001 by Zav’yalov, Kryuchkov.
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Zav’yalov, D.V., Kryuchkov, S.V. Superlattice conductivity under the action of a nonlinear electromagnetic wave. Semiconductors 35, 554–556 (2001). https://doi.org/10.1134/1.1371621
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DOI: https://doi.org/10.1134/1.1371621