166 citations · 995 across the 33 of their papers we have counts for
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Theory of optical alignment and orientation of excitons in an ensemble of semiconductor nanoplatelets
O. O. Druzhinina, A. V. Rodina
We present the theory of exciton optical alignment and optical orientation effects in a single semiconductor nanoplatelet (NPL) and in an ensemble of NPLs. The theoretical model is…
Exciton fine structure in nanocrystals: effect of cuboidal and spheroidal shapes
M. A. Semina, O. O. Druzhinina, A. A. Golovatentko +1
We present the theory of the band-edge exciton fine structure in nanocrystals (NCs) with spheroidal and cuboidal shapes. The effects of the cubic symmetry of the crystal lattice, t…
Band offsets in InP/ZnSe nanocrystals evaluated using two-photon transitions analysis
K. I. Russkikh, A. A. Golovatenko, A. V. Rodina
We present a semi-analytical theoretical kp-study of the energy structure and optical transitions in spherical core-shell InP/ZnSe nanocrystals. We use the eight-band Kane model an…
Coherent spin dynamics in ensembles of randomly oriented singly charged colloidal nanoplatelets and nanocrystals
Aleksandr A. Golovatenko, Anna V. Rodina
We present a theoretical study of the pump-probe Faraday rotation and ellipticity signals in ensembles of uniaxially anisotropic CdSe nanoplatelets and nanocrystals. We use the Far…
Landé g-factors and spin dynamics of charge carriers in CuCl nanocrystals in a glass matrix
Dennis Kudlacik, Evgeny A. Zhukov, Dmitri R. Yakovlev +7
The spin properties of charge carriers confined in CuCl semiconductor nanocrystals (NCs) of different sizes (radius from 1.8 nm up to 28 nm) crystallized in a glass matrix are stud…
Cubic anisotropy of hole Zeeman splitting in semiconductor nanocrystals
M. A. Semina, A. A. Golovatenko, A. V. Rodina
We study theoretically cubic anisotropy of Zeeman splitting of a hole localized in semiconductor nanocrystal. This anisotropy originates from three contributions: crystallographic…
Optical alignment and orientation of excitons in ensemble of core/shell CdSe/CdS colloidal nanoplatelets
O. O. Smirnova, I. V. Kalitukha, A. V. Rodina +10
We report on the experimental and theoretical studies of optical alignment and optical orientation effects in an ensemble of core/shell CdSe/CdS colloidal nanoplatelets. The depend…
Electron, hole and exciton effective g-factors in semiconductor nanocrystals
M. A. Semina, A. A. Golovatenko, A. V. Rodina
We review the existing and present the new results of calculations of the electron, hole, and exciton effective -factors in semiconductor nanocrystals of different shap…
Theory of single and double electron spin-flip Raman scattering in semiconductor nanoplatelets
A. V. Rodina, E. L. Ivchenko
A theory of electron spin-flip Raman scattering (SFRS) is presented that describes the Raman spectral signals shifted by both single and twice the electron Zeeman energy under near…
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…
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…
Surface spin magnetism controls the polarized exciton emission from CdSe nanoplatelets
Elena V. Shornikova, Aleksandr A. Golovatenko, Dmitri R. Yakovlev +9
The surface of nominally diamagnetic colloidal CdSe nanoplatelets can demonstrate paramagnetism owing to the uncompensated spins of dangling bonds (DBSs). We reveal that by optical…
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…
Förster energy transfer of dark excitons enhanced by a magnetic field in an ensemble of CdTe colloidal nanocrystals
Feng Liu, A. V. Rodina, D. R. Yakovlev +7
We present a systematic experimental study along with theoretical modeling of the energy transfer in an ensemble of closely-packed CdTe colloidal nanocrystals identified as the För…
Ground state of the holes localized in II-VI quantum dots with Gaussian potential profiles
M. A. Semina, A. A. Golovatenko, A. V. Rodina
We report on the theoretical study of the hole states in II-IV quantum dots of a spherical and ellipsoidal shape, described by a smooth potential confinement profiles, that can be…
Nonradiative and radiative Förster energy transfer between quantum dots
Alexander N. Poddubny, Anna V. Rodina
We study theoretically nonradiative and radiative energy transfer between two localized quantum emitters, donor one (i.e. initially excited) and acceptor one (i.e. receiving the ex…
Exciton spin dynamics and photoluminescence polarization of CdSe/CdS dot-in-rod nanocrystals in high magnetic fields
B. Siebers, L. Biadala, D. R. Yakovlev +4
The exciton spin dynamics and polarization properties of the related emission are investigated in colloidal CdSe/CdS dot-in-rod (DiR) and spherical core/shell nanocrystal (NC) ense…
Exciton spin dynamics of colloidal CdTe nanocrystals in magnetic field
Feng Liu, A. V. Rodina, D. R. Yakovlev +6
The recombination and spin dynamics of excitons in colloidal CdTe nanocrystals (NCs) are studied by time-resolved photoluminescence in high magnetic fields up to 15 T and at cryoge…
Second harmonic generation spectroscopy of excitons in ZnO
M. Lafrentz, D. Brunne, A. V. Rodina +5
Nonlinear optics of semiconductors is an important field of fundamental and applied research, but surprisingly the role of excitons in the coherent processes leading to harmonics g…
Suris tetrons: possible spectroscopic evidence for four-particle optical excitations of the 2D electron gas
A. V. Koudinov, C. Kehl, A. V. Rodina +3
The excitations of a two-dimensional electron gas in quantum wells with intermediate carrier density (~10^{11} cm^{-2}), i.e., between the exciton-trion- and the Fermi-Sea range, a…
Spin dynamics in semiconductor nanocrystals
J. A. Gupta, D. D. Awschalom, Al. L. Efros +1
Time-resolved Faraday rotation is used to study both transverse and longitudinal spin relaxation in chemically-synthesized CdSe nanocrystals (NCs) 22-80 Angstroms in diameter. The…