44 citations · 154 across the 11 of their papers we have counts for
11 papers
Electron spin dynamics of Ce ions in YAG crystals studied by pulse-EPR and pump-probe Faraday rotation
D. V. Azamat, V. V. Belykh, D. R. Yakovlev +6
The spin relaxation dynamics of Ce ions in heavily cerium-doped YAG crystals is studied using pulse-electron paramagnetic resonance and time-resolved pump-probe Faraday rota…
Electronic Structure, Optical and Dielectric Spectroscopy Study of TbMnO3
V. A. Trepakov, A. G. Dejneka, O. E. Kvyatkovskii +6
Spectral ellipsometry studies of the optical functions, first observation of photoluminescence and low frequency dielectric permittivity investigations were performed in ferroelect…
EPR studies of manganese centers in SrTiO3: Non-Kramers Mn3+ ions and spin-spin coupled Mn4+ dimers
D. V. Azamat, A. Dejneka, J. Lancok +3
X- and Q-band electron paramagnetic resonance (EPR) study is reported on the SrTiO3 single crystals doped with 0.5-at.% MnO. EPR spectra originating from the S = 2 ground state of…
Experimental manifestations of the Nb^{4+}-O^{-} polaronic excitons in KTa_{0.988}Nb_{0.012}O_{3}
R. V. Yusupov, I. N. Gracheva, A. A. Rodionov +6
The formation of the photo-polaronic excitons in ABO_{3} perovskite type oxides has been detected experimentally by means of the photoinduced electron paramagnetic resonance studie…
Tensile strain induced changes in the optical spectra of SrTiO3 epitaxial thin films
A. Dejneka, M. Tyunina, J. Narkilahti +4
Effect of biaxial tensile strains on optical functions and band edge transitions of ultra thin epitaxial films was studied using as an example a 13 nm thick SrTiO3 films deposited…
Li Doping Effect on Properties and Phase Transfomations of Knbo3
V. A. Trepakov, M. L. Savinov, V Zelezny +3
Dielectric permittivity and infrared reflectivity spectra of Li doped KNbO3 single crystals have been studied for the first time for K1-xLixNbO3 (KLN) with x = 0.015, 0.02, 0.065.…
Nontrivial dependence of dielectric stiffness and SHG on dc bias in relaxors and dipole glasses
S. A. Prosandeev, I. P. Raevski, A. S. Emelyanov +5
Dielectric permittivity and Second Harmonic Generation (SHG) studies in the field-cooled mode show a linear dependence of dielectric stiffness (inverse dielectric permittivity) on…
Random-Site Cation Ordering and Dielectric Properties of PbMg1/3Nb2/3o3-PbSc1/2Nb1/2o3
I. P. Raevski, S. A. Prosandeev, S. M. Emelyanov +8
(1-x)PbMg1/3Nb2/3O3-(x)PbSc1/2Nb1/2O3 (PMN-PSN) solid solution crystals have been grown by the flux method in the whole concentration range. X-ray supercell reflections due to B-ca…
Hopping Conductivity of a Nearly-1d Fractal: a Model for Conducting Polymers
A. N. Samukhin, V. N. Prigodin, L. Jastrabik +1
We suggest treating a conducting network of oriented polymer chains as an anisotropic fractal whose dimensionality D=1+εis close to one. Percolation on such a fractal is studied wi…
Conductivity fluctuations in polymer's networks
A. N. Samukhin, V. N. Prigodin, L. Jastrabik
Polymer's network is treated as an anisotropic fractal with fractional dimensionality D = 1 + εclose to one. Percolation model on such a fractal is studied. Using the real space re…
Critical Percolation and Transport in Nearly One Dimension
A. N. Samukhin, V. N. Prigodin, L. Jastrabik +1
A random hopping on a fractal network with dimension slightly above one, , is considered as a model of transport for conducting polymers with nonmetallic conductivity. W…