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Tytuł pozycji:

Spin-Dependent Electronic Dynamics in a Hybrid Nonresonance III-V/II-VI Heterostructure.

Tytuł :
Spin-Dependent Electronic Dynamics in a Hybrid Nonresonance III-V/II-VI Heterostructure.
Autorzy :
Kaibyshev, V. Kh.
Toropov, A. A.
Sorokin, S. V.
Sedova, I. V.
Klimko, G. V.
Terent’ev, Ya. V.
Ivanov, S. V.
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Temat :
DILUTED magnetic semiconductors
GROUND state (Quantum mechanics)
ELECTRON spin
QUANTUM wells
HETEROSTRUCTURES
ELECTRONIC structure
Źródło :
Journal of Experimental & Theoretical Physics; Feb2018, Vol. 126 Issue 2, p210-216, 7p
Czasopismo naukowe
The processes of electron spin dynamics in a hybrid nonresonance structure, which includes a layer of a diluted magnetic II-Mn-VI semiconductor and an asymmetric quantum well (QW) of a nonmagnetic III-V semiconductor, are experimentally studied. The nonresonance of the structure is determined by the fact that the level of the ground state of the magnetic layer falls into the range of the excited states of the nonmagnetic QW. The electron polarization in the ground thermalized state of QW is found not to depend on the magnetic part of the structure. However, the magnetic part affects the electron polarization in the excited state via spin injection from the magnetic semiconductor and the mixing of the electronic states of the magnetic and nonmagnetic subsystems of the structure. The possibility of controlling the polarization of an electron spin by carrier excitation toward the region of mixed states along with the absence of depolarizing influence of the magnetic semiconductor on carriers in the thermalized state of QW can be applied to design new spintronic devices along with those that use spin injection, optical orientation, and depolarization. [ABSTRACT FROM AUTHOR]
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