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The thermal properties of SrTiO 3 thin films are investigated experimentally by recording the amplitude and phase of the temperature oscillations of a flat probe with the heat flux perpendicular to the plane of the film. Results are given from measurements of the specific heat and thermal...
The shape of the luminescence spectra of excitons localized by composition fluctuations in a disordered solid solution, is calculated by a theoretical model that takes into account two different aspects of the electron-phonon interaction: 1) the lifetimes of localized states are limited because...
This paper discusses the effect of magnetic translational symmetry on the vortex structure in superconducting crystals with a large basis in artificial Josephson media (regular lattices of superconducting clusters) prepared with opal as the base material. For external magnetic fields lower than...
It is found that photoinduced absorption in the energy range 0.6–2.1 eV in C 60 films grown by the same method can differ by a factor of 100. This change is attributable a 10 6 -fold increase in the relaxation time τ of electron-hole photoexcitations after working with the films for several...
The EPR method is used to study at T =4.2 K crystals of Cs 2 NaInCl 6 :Ce 3+ (1 mol %) at which have elpasolite structure. A solitary cubic Ce 3+ center and three types of Ce 3+ -Ce 3+ pairs were observed, for which the spin-spin interaction parameters D and E were determined. It is established...
This paper reports an investigation into the features of geminate recombination of long-lived electron-hole pairs in films of poly( N -epoxypropylcarbazole) (PEPC) containing intramolecular charge transfer compounds as centers of photogeneration of charge carriers carried out by measuring the...
The optical Stark effect and quantum beats in a GaAs/AlGaAs quantum well are investigated theoretically for the case when the first two electron size-quantization levels are mixed dynamically by a high-intensity CO 2 laser pulse polarized perpendicular to the plane of the quantum well. The...
The structure and strain relief of TiNi alloy are examined following combined deformation consisting of quasi-hydro-extrusion followed by uniaxial compression. The shear nature of the amorphous bands resulting from such strain is demonstrated. A connection between the amorphous bands and the...
Calculations are made for the dynamic susceptibility of a weakly ferromagnetic mesoparticle in the macroscopic quantum coherence region and the probability of conservation of the initial polarized state in a pulsed magnetic field.
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