8 papers
Application of perturbation theory to finding vibrational frequencies of a spheroid
M. O. Nestoklon, L. Saviot, S. V. Goupalov
We apply perturbation theory of boundary conditions, originally developed by A.B. Migdal and independently by S.A. Moszkowski for deformed atomic nuclei, to finding eigenfrequencie…
Hyperfine interaction of electrons confined in CsPbI nanocrystals with nuclear spin fluctuations
Sergey R. Meliakov, Evgeny A. Zhukov, Vasilii V. Belykh +6
The coherent spin dynamics of electrons are investigated for CsPbI perovskite nanocrystals in a glass matrix using time-resolved Faraday ellipticity. In nanocrystals with a dia…
Confined acoustic phonons in CsPbI3 nanocrystals explored by resonant Raman scattering on excitons
Carolin Harkort, Ina V. Kalitukha, Nataliia E. Kopteva +8
Optical properties of the lead halide perovskites nanocrystals are controlled by confined excitons and rich spectrum of confined acoustic and optical phonons. We study experimental…
Efficient launch of shear phonons in photostrictive halide perovskites
Dmytro Horiachyi, Mikhail O. Nestoklon, Ilya A. Akimov +10
Optical generation of transverse coherent phonons by femtosecond light pulses is appealing for high-speed sub-THz active control of material properties. Lead-free double perovskite…
Effect of crystal symmetry of lead halide perovskites on the optical orientation of excitons
Nataliia E. Kopteva, Dmitri R. Yakovlev, Eyüp Yalcin +8
The great variety of lead halide perovskite semiconductors represents an outstanding platform for studying crystal symmetry effects on the spin-dependent properties. Access to them…
Landé -factors of electrons and holes strongly confined in CsPbI perovskite nanocrystals in glass
Sergey R. Meliakov, Evgeny A. Zhukov, Vasilii V. Belykh +5
The Landé -factor of charge carriers is a key parameter in spin physics controlling spin polarization and spin dynamics. In turn, it delivers information of the electronic band…