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Fizika i Tekhnika Poluprovodnikov, 2016, Volume 50, Issue 11, Pages 1484–1489 (Mi phts6312)  
XX International Symposium ''Nanophysics and Nanoelectronics'', Nizhny Novgorod, March 14-18, 2016

Anharmonic Bloch oscillations of electrons in electrically biased superlattices

K. A. Ivanovab, E. I. Girshovaab, M. A. Kaliteevskiiacb, S. J. Clarkd, A. J. Gallante

a St. Petersburg National Research University of Information Technologies, Mechanics and Optics
b St. Petersburg Academic University — Nanotechnology Research and Education Centre of the Russian Academy of Sciences (the Academic University)
c Ioffe Institute, St. Petersburg
d Department of Physics, Durham University, UK
e School of Engineering and Computing Sciences, University of Durham, Durham, UK
Full-text PDF (376 kB)
Abstract: The phenomenon of anharmonic Bloch oscillations (i.e., oscillations with a frequency which is a multiple of the Bloch frequency) is considered. The energy-band structure of silicon-carbide polytypes where these oscillations are observed is calculated ab initio. A one-dimensional model potential making it possible to calculate the Stark wave functions in a biased superlattice is constructed for these polytypes. The transfer matrix method is used to find the set of energy levels (the so-called Stark ladder) and calculate the electron wave functions. It is shown that both radiative transitions between neighboring Stark levels (at the Bloch frequency) and transitions in the form of jumps via several levels, accompanied by emission at frequencies that are multiples of the Bloch frequency, may occur. The calculated probabilities of transitions between Stark-ladder levels increase with increasing applied field strength.
Received: 27.04.2016
Accepted: 10.05.2016
English version:
Semiconductors, 2016, Volume 50, Issue 11, Pages 1463–1468
DOI: https://doi.org/10.1134/S1063782616110117
Bibliographic databases:
Document Type: Article
Language: Russian
Citation: K. A. Ivanov, E. I. Girshova, M. A. Kaliteevskii, S. J. Clark, A. J. Gallant, “Anharmonic Bloch oscillations of electrons in electrically biased superlattices”, Fizika i Tekhnika Poluprovodnikov, 50:11 (2016), 1484–1489; Semiconductors, 50:11 (2016), 1463–1468
Citation in format AMSBIB
\Bibitem{IvaGirKal16}
\by K.~A.~Ivanov, E.~I.~Girshova, M.~A.~Kaliteevskii, S.~J.~Clark, A.~J.~Gallant
\paper Anharmonic Bloch oscillations of electrons in electrically biased superlattices
\jour Fizika i Tekhnika Poluprovodnikov
\yr 2016
\vol 50
\issue 11
\pages 1484--1489
\mathnet{http://mi.mathnet.ru/phts6312}
\elib{https://elibrary.ru/item.asp?id=27369036}
\transl
\jour Semiconductors
\yr 2016
\vol 50
\issue 11
\pages 1463--1468
\crossref{https://doi.org/10.1134/S1063782616110117}
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