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Fizika i Tekhnika Poluprovodnikov, 2021, Volume 55, Issue 9, Pages 738–742
DOI: https://doi.org/10.21883/FTP.2021.09.51287.14 (Mi phts4975) 		 
XXV International Symposium "Nanophysics and Nanoelectronics", Nizhny Novgorod, March 9-12, 2021

Electron spin relaxation and resonant cooling of nuclear spins in GaAs : Mn structures

A. E. Evdokimova, M. S. Kuznetsovaa, A. V. Mikhailova, K. V. Kavokina, R. I. Dzhioevb

a St. Petersburg State University, Spin Optics Laboratory, St. Petersburg, Russia
b Ioffe Institute, St. Petersburg
Full-text PDF (757 kB)
DOI: https://doi.org/10.21883/FTP.2021.09.51287.14
Abstract: The behavior of the electron spin relaxation time in bulk GaAs layers doped with Mn was studied experimentally. We investigated the dependence of the degree of circular polarization of photoluminescence in transverse and longitudinal magnetic fields. An increase in the relaxation time of the electron spin is found from 25 ns at low pumping power to 400 ns at the threshold pumping power. The effect of resonant cooling of the nuclear spin system by optically oriented electron spins is demonstrated.
Keywords: GaAs : Mn structures, transverse and longitudinal magnetic fields, spin relaxation of electrons.
Funding agency Grant number
Russian Foundation for Basic Research 19-52-12043
19-52-12059
Saint Petersburg State University ID 73031758
This work was financially supported by DFG within the framework of the International Center for Joint Research TRR 160 (project no. A6) and the Russian Foundation for Basic Research (grant no. 19-52-12043).
Received: 12.04.2021
Revised: 19.04.2021
Accepted: 19.04.2021
English version:
Semiconductors, 2021, Volume 55, Issue 9, Pages 726–730
DOI: https://doi.org/10.1134/S1063782621090049
Bibliographic databases:
Document Type: Article
Language: Russian
Citation: A. E. Evdokimov, M. S. Kuznetsova, A. V. Mikhailov, K. V. Kavokin, R. I. Dzhioev, “Electron spin relaxation and resonant cooling of nuclear spins in GaAs : Mn structures”, Fizika i Tekhnika Poluprovodnikov, 55:9 (2021), 738–742; Semiconductors, 55:9 (2021), 726–730
Citation in format AMSBIB
\Bibitem{EvdKuzMik21}
\by A.~E.~Evdokimov, M.~S.~Kuznetsova, A.~V.~Mikhailov, K.~V.~Kavokin, R.~I.~Dzhioev
\paper Electron spin relaxation and resonant cooling of nuclear spins in GaAs : Mn structures
\jour Fizika i Tekhnika Poluprovodnikov
\yr 2021
\vol 55
\issue 9
\pages 738--742
\mathnet{http://mi.mathnet.ru/phts4975}
\crossref{https://doi.org/10.21883/FTP.2021.09.51287.14}
\elib{https://elibrary.ru/item.asp?id=46491077}
\transl
\jour Semiconductors
\yr 2021
\vol 55
\issue 9
\pages 726--730
\crossref{https://doi.org/10.1134/S1063782621090049}
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