125 citations · 360 across the 13 of their papers we have counts for
14 papers
Spin-dependent Raman and Brillouin light scattering on excitons in CsPbBr perovskite crystals
Ina V. Kalitukha, Victor F. Sapega, Dmitri R. Yakovlev +5
The spin properties of excitons and charge carriers in CsPbBr lead halide perovskite crystals are investigated by spin-dependent light scattering in magnetic fields up to 10 T.…
Weak dispersion of exciton Landé factor with band gap energy in lead halide perovskites: Approximate compensation of the electron and hole dependences
N. E. Kopteva, D. R. Yakovlev, E. Kirstein +11
The photovoltaic and optoelectronic properties of lead halide perovskite semiconductors are controlled by excitons, so that investigation of their fundamental properties is of crit…
Spin relaxation in diluted magnetic semiconductors. GaMnAs as example
I. V. Krainov, V. F. Sapega, G. S. Dimitriev +1
We report on study of magnetic impurities spin relaxation in diluted magnetic semiconductors above Curie temperature. Systems with a high concentration of magnetic impurities where…
Polarized emission of CdSe nanocrystals in magnetic field: the role of phonon-assisted recombination of the dark exciton
Gang Qiang, Aleksandr A. Golovatenko, Elena V. Shornikova +10
The recombination dynamics and spin polarization of excitons in CdSe nanocrystals synthesized in a glass matrix are investigated using polarized photoluminescence in high magnetic…
Magneto-optics of excitons interacting with magnetic ions in CdSe/CdMnS colloidal nanoplatelets
E. V. Shornikova, D. R. Yakovlev, D. O. Tolmachev +10
Excitons in diluted magnetic semiconductors represent excellent probes for studying the magnetic properties of these materials. Various magneto-optical effects, which depend sensit…
Effect of electric current on optical orientation of electrons in AlGaAs/GaAs heterostructure
O. S. Ken, E. A. Zhukov, I. A. Akimov +10
The effect of a lateral electric current on the photoluminescence H-band of an AlGaAs/GaAs heterostructure is investigated. The photoluminescence intensity and optical orientation…
Single and double electron spin-flip Raman scattering in CdSe colloidal nanoplatelets
Dennis Kudlacik, Victor F. Sapega, Dmitri R. Yakovlev +8
CdSe colloidal nanoplatelets are studied by spin-flip Raman scattering in magnetic fields up to 5 T. We find pronounced Raman lines shifted from the excitation laser energy by an e…
Voltage control of the long-range p-d exchange coupling in a ferromagnet-semiconductor quantum well hybrid structure
V. L. Korenev, I. V. Kalitukha, I. A. Akimov +14
Voltage control of ferromagnetism on the nanometer scale is highly appealing for the development of novel electronic devices. Here a key challenge is to implement and combine low p…
Electron and hole g-factors and spin dynamics of negatively charged excitons in CdSe/CdS colloidal nanoplatelets with thick shells
Elena V. Shornikova, Louis Biadala, Dmitri R. Yakovlev +13
We address spin properties and spin dynamics of carriers and charged excitons in CdSe/CdS colloidal nanoplatelets with thick shells. Magneto-optical studies are performed by time-r…
Addressing the exciton fine structure in colloidal nanocrystals: the case of CdSe nanoplatelets
Elena V. Shornikova, Louis Biadala, Dmitri R. Yakovlev +16
We study the band-edge exciton fine structure and in particular its bright-dark splitting in colloidal semiconductor nanocrystals by four different optical methods based on fluores…
Inversion of Zeeman splitting of exciton states in InGaAs quantum wells
P. S. Grigoryev, O. A. Yugov, S. A. Eliseev +5
Zeeman splitting of quantum-confined states of excitons in InGaAs quantum wells (QWs) is experimentally found to depend strongly on quantization energy. Moreover, it changes sign w…
Phase diagrams of magnetopolariton gases
V. P. Kochereshko, M. V. Durnev, L. Besombes +17
The magnetic field effect on phase transitions in electrically neutral bosonic systems is much less studied than those in fermionic systems, such as superconducting or ferromagneti…
Spin-flip Raman scattering of the neutral and charged excitons confined in a CdTe/(Cd,Mg)Te quantum well
J. Debus, D. Dunker, V. F. Sapega +5
Spin-flip Raman scattering of electrons and heavy-holes is studied for resonant excitation of neutral and charged excitons in a CdTe/CdMgTe quantum well. The spin…
Large spin splitting of GaN electronic states induced by Gd doping
V. F. Sapega, M. Ramsteiner, S. Dhar +2
We present a detailed study of the magnetic-field and temperature-dependent polarization of the near-band-gap photoluminescence in Gd-doped GaN layers. Our study reveals an extraor…