2014
DOI: 10.1103/physrevb.90.235404
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Spin-flip Raman scattering of the resident electron in singly charged (In,Ga)As/GaAs quantum dot ensembles

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Cited by 24 publications
(28 citation statements)
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“…It should be noted that SFRS shift can have nonzero offset, which is an evidence of exchange interaction of the involved particles, e.g., the bright-dark exchange splitting of the exciton states. 22 In the Faraday geometry, the similar magnetic field shifts of the 1e and 2e lines are characterized by a smaller g factor g F = 1.59. The width of 1e SFRS line is dependent on the magnetic field direction: δ = 0.06 meV in the Voigt configuration and 0.09 meV in the Faraday configuration, Figure 1 SFRS spectra measured under resonant excitation into the peak of the exciton line at 2.947 eV look, in general, similar to the case of the non-resonant excitation, Figure 2(a-c).…”
Section: Resultsmentioning
confidence: 94%
See 1 more Smart Citation
“…It should be noted that SFRS shift can have nonzero offset, which is an evidence of exchange interaction of the involved particles, e.g., the bright-dark exchange splitting of the exciton states. 22 In the Faraday geometry, the similar magnetic field shifts of the 1e and 2e lines are characterized by a smaller g factor g F = 1.59. The width of 1e SFRS line is dependent on the magnetic field direction: δ = 0.06 meV in the Voigt configuration and 0.09 meV in the Faraday configuration, Figure 1 SFRS spectra measured under resonant excitation into the peak of the exciton line at 2.947 eV look, in general, similar to the case of the non-resonant excitation, Figure 2(a-c).…”
Section: Resultsmentioning
confidence: 94%
“…In low-dimensional structures the SFRS intensity is drastically increased by the presence of resident quantum-confined electrons that interact with photogenerated excitons. [21][22][23] In this paper we use the spin-flip Raman scattering technique to study the spin properties of CdSe colloidal nanoplatelets. By measuring ensembles of NPLs having various orientations in the Faraday and Voigt geometries of the external magnetic field and analyzing the polarization properties of the Raman spectra we determine the electron g-factor and its anisotropy.…”
Section: Introductionmentioning
confidence: 99%
“…In semiconductors, electrons are quasiparticles and their g factor might be drastically different from the g 0 ≈ 2 of a free electron. g factors in QDs have been measured either electrically [4][5][6][7][8][9][10][11] or optically [12][13][14][15][16][17][18][19][20][21][22][23][24][25][26]. The most widespread optical method is the measurement of the Zeeman splitting in magnetoluminescence spectra which, in general, gives only the exciton g factor [12][13][14][15][16][17][18].…”
Section: Introductionmentioning
confidence: 99%
“…However, in some cases, reduced symmetry of the QDs has allowed one to observe also the dark exciton states and separate electron and hole g factor contributions [12,13]. Other optical methods of g factor determination are spin noise spectroscopy [25] and spin-flip Raman scattering [26]. Especially high precision in the measurement can be achieved with optical pump-probe spectroscopy, where the g factor is determined from the frequency of spin polarization oscillations in a perpendicular magnetic field [19][20][21][22][23][24].…”
Section: Introductionmentioning
confidence: 99%
“…Это значение оказалось занижен-ным из-за того, что при его оценке не учитывалось влияние локальной деформации [29]. Поскольку метод НРСПС успешно использовался для изучения обменных взаимодействий и оценки обменных констант в РМП на основе соединений II−VI и III−V [29,[31][32][33][34][35][36][37], то он дол-жен быть использован для изучения тонкой структуры акцептора Mn во всех деталях.…”
Section: международная школа-семинар "unclassified