Influence of illumination on phase transition temperature, on dielectric permittivity and on pyro currents in $Ba_xSr_{1-x}Nb_2O_6$ was studied. Dependence of photoelectretic charge density on temperature in the region of ...

The concept of electronegativity was used in this work to analyze the stability of AB type crystalline structures. The parameters of the dependence between ion energy and the charge were adjusted applying a new method. The ...

The experiments were carried out on dielectric ceramic sodium – bismuth titonate for some frequence of the applied electric field. The effect of the applied constant electric field on the shift temperature of the phase ...

The review of the most important theoretical considerations explaining the shape of I-V characteristics for ferroelectric materials is done. The assumptions and calculations proposed by Fridkin-Kreher and Krapivin-Chensky ...

This work is a theoretical introduction to the problem of the phenomenology of phase transition. A particular attention was paid to the characterization of ferroelectric transitions of the kind of order-disorder. The ...

The temperaturę dependence of ε and tgδ was investigated for monocrystalline sample of $Pb(Cd_{1/3}Nb_{2/3})O_3$ various measurement field frequencies. A strong connection between dielectric properties and field frequency ...

The application to the atomic spectroscopy of the electric arc plasma is described. The states of plasma equilibrium are discussed. A method of the precise evaluation of the line profile (or the total intensity), corrected ...

Two methods: stick diagram approach and microcomputer simulation for interpretation of the isotropic ESR spectrum of water solution of K3[Cr(Cn)[5]NO] complex were described in terms of possible didactic purposes.

Principle of operation and construction of device with programmed regulation of temperature difference. Basic parameters of device and example measurements of Seebech coefficient in $NaNbO_3$ were shown.

The using of computer for optimization of measurement method on the base of the reverse pendulum.