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Comparison of the Features of Electron Transport and Subterahertz Generation in Diodes Based on 6-, 18-, 70-, and 120-Period GaAs/AlAs Superlattices


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Abstract

A comparison of the features of electron transport in diodes based on 6-, 18-, 30-, 70-, and 120-period GaAs/AlAs superlattices with a similar design is performed. However, the number of periods and diode areas are different. The values of the parasitic resistances of the near-contact diode regions are correlated, and the specific voltage drop across one superlattice period is determined for all special points in the current–voltage characteristics of the diodes. The mechanism of the appearance of stable current oscillations in diodes based on 6-, 18-, 30-, 70-, and 120-period GaAs/AlAs superlattices with a high doping level is investigated.

About the authors

E. S. Obolenskaya

Lobachevsky State University of Nizhny Novgorod

Author for correspondence.
Email: bess009@mail.ru
Russian Federation, Nizhny Novgorod, 603950

A. S. Ivanov

Lobachevsky State University of Nizhny Novgorod

Email: bess009@mail.ru
Russian Federation, Nizhny Novgorod, 603950

D. G. Pavelyev

Lobachevsky State University of Nizhny Novgorod

Email: bess009@mail.ru
Russian Federation, Nizhny Novgorod, 603950

V. A. Kozlov

Lobachevsky State University of Nizhny Novgorod; Institute for Physics of Microstructures, Russian Academy of Sciences

Email: bess009@mail.ru
Russian Federation, Nizhny Novgorod, 603950; Nizhny Novgorod, 603087

A. P. Vasilev

Research and Engineering Center for Submicron Heterostructures for Microelectronics; Ioffe Institute

Email: bess009@mail.ru
Russian Federation, St. Petersburg, 194021; St. Petersburg, 194021

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