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Fizika i Tekhnika Poluprovodnikov, 2020, Volume 54, Issue 9, Pages 980–984
DOI: https://doi.org/10.21883/FTP.2020.09.49843.39 (Mi phts5182) 		 
XXIV International symposium Nanophysics and nanoelectronics, Nizhny Novgorod, march 10-13, 2020

Coherent spin dynamics of a two-dimensional electron gas in the mode of a Hall ferromagnet

A. V. Larionova, E. Stepanets-Khusseinab, L. V. Kulikab

a Institute of Solid State Physics, Russian Academy of Sciences, Chernogolovka, Moscow region
b National Research University "Higher School of Economics", Moscow
Full-text PDF (722 kB)
DOI: https://doi.org/10.21883/FTP.2020.09.49843.39
Abstract: By means of the time-resolved Kerr rotation technique, a spin-depolarized electron system at a filling factor $\nu$ = 1 in a GaAs quantum well was studied. At temperatures above 5 K, a transition from a new spin-correlated state to a state with low spin stiffness characteristic of a single-particle electron system was found. A nonlinear contribution to the decay of Larmor oscillations arising at low temperatures, when spin-spin correlations determine the ground state of a two-dimensional electron system, is highlighted. The parameters of the fluctuating magnetic field acting on individual electron spins are estimated.
Keywords: two-dimensional electron gas, Hall ferromagnet, spin stiffness, Kerr rotation, Larmor oscillations.
Funding agency Grant number
Russian Foundation for Basic Research 18-02-01082
This study was supported in part by the Russian Foundation for Basic Research (project no. 18-02-01082).
Received: 15.04.2020
Revised: 21.04.2020
Accepted: 21.04.2020
English version:
Semiconductors, 2020, Volume 54, Issue 9, Pages 1166–1170
DOI: https://doi.org/10.1134/S1063782620090171
Bibliographic databases:
Document Type: Article
Language: Russian
Citation: A. V. Larionov, E. Stepanets-Khussein, L. V. Kulik, “Coherent spin dynamics of a two-dimensional electron gas in the mode of a Hall ferromagnet”, Fizika i Tekhnika Poluprovodnikov, 54:9 (2020), 980–984; Semiconductors, 54:9 (2020), 1166–1170
Citation in format AMSBIB
\Bibitem{LarSteKul20}
\by A.~V.~Larionov, E.~Stepanets-Khussein, L.~V.~Kulik
\paper Coherent spin dynamics of a two-dimensional electron gas in the mode of a Hall ferromagnet
\jour Fizika i Tekhnika Poluprovodnikov
\yr 2020
\vol 54
\issue 9
\pages 980--984
\mathnet{http://mi.mathnet.ru/phts5182}
\crossref{https://doi.org/10.21883/FTP.2020.09.49843.39}
\elib{https://elibrary.ru/item.asp?id=44154210}
\transl
\jour Semiconductors
\yr 2020
\vol 54
\issue 9
\pages 1166--1170
\crossref{https://doi.org/10.1134/S1063782620090171}
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