Terahertz Luminescence and Electrical Characteristics of SiC Structures with Natural Superlattice in Strong Electric Fields

Sankin, V. I.; Andrianov, A. V.; Petrov, A. G.; Zakhar’in, A. O.; Nagalyuk, S. S.; Shkrebiy, Pavel P.

doi:10.1007/s10762-017-0426-6

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2020

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“…The results obtained in Ref. [18] imply the common nature of the negative differential conductivity and THz emission effects in the natural superlattice caused by Bloch oscillations. The THz emission power from the structures based on 6HSiC was four orders greater than that obtained from the artificial structures under the same conditions [16].…”

Section: Introductionmentioning

confidence: 68%

SiC Natural and Artificial Superlattices for the Implementation of the Bloch Oscillation Process: A Comparative Analysis

Sankin

Petrov

Shkrebiy

et al. 2020

MSF

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Bloch oscillations in semiconductors have been studied for several decades. Oscillations were observed in artificial superlattices based on AlGaAs-GaAs proposed Esaki and Tsu, and the natural superlattice based on superstructures SiC. In this paper we considers some base properties of the SiC natural superlattices that are the ground for the Bloch oscillations existence in these materials and attract attention to the some main disadvantages of the artificial superlattices. The experimental detection of the Bloch oscillation-dependent physical effects in semiconductors has been an actual problem over decades.

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Section: Introductionmentioning

confidence: 68%