ЗМІСТ

The Fourth Ukrainian-Polish Meeting on Ferroelectricity 15–19 June, 1998, Dnipropetrovsk, Ukraine

Domoratsky, K.V.; Dudnik, E.F.; Katkov, V.F.; Sadovskaya, L.Ya.
X-ray investigations of phase transition in Bi₂TeO₅ single crystals

Stasyuk I.V., Velychko O.V.
New type phase transitions in the Mitsui model with bimodal random field

Soldatova E.D.
Variety of critical state nature manifestations

Mamalui A.A., Shelest T.N., Chashka H.B.
Thermodynamically equilibrium point defects in the low-dimensional systems

Garbarz B.
Temperature changes of Seebeck coefficient of SbSJ modified

Plyaka S.N., Sokolyanskii G.Ch., Klebanskii E.O., Sadovskaya L.Ja.
Conductivity of the Bi₁₂SiO₂₀ thin films

Korynevskii N.A.
Spontaneous polarization in the cluster ferroelectric system close to the phase transition point

Smiga W.
The frequency measurements of dielectric properties in the phase transition range in the Li_0.02Na_0.98NbO₃

Suchanicz J.
The effect of a.c. and d.c. electric field on the dielectric properties of Na_0.5Bi_0.5TiO₃ ceramic

Konieczny K.
Dielectric relaxation in NaNbO₃ single crystal

Skulski R.
Determining the gaussian distribution width of Curie-Weiss temperatures and relaxation times

Trubitsyn M.P.
ESR investigations of incommensurate Rb₂ZnCl₄:Mn²⁺

Trubitsyn M.P., Volnianskii M.D., Ermakov A.S., Linnik V.G.
Ferroelectric phase transition in lead germanate Pb₅Ge₃O₁₁ studied by ESR of Gd³⁺ probe

Andriyevsky B.V., Czapla Z., Dacko S., Myshchyshyn O.Ya.
Optical and electric manifestations of incommensurate phase in NH₄HSeO₄ crystals

Andriyevsky B.V., Myshchyshyn O.Ya., Romanyuk M.O.
Anisotropy of critical indices of ferroelectric phase transition in TGS crystals by the optical interference investigation

Myshchyshyn O.Ya., Andriyevsky B.V., Romanyuk M.O., Kurlyak V.Yu.
Peculiarities of refractive index dispersion of TGS crystals

Romanyuk M.O., Stadnyk V.Yo.
The refractometry of the uniaxially stressed ferroelectrics

Antonenko A.M., Domoratsky K.V., Kudzin A.Yu., Sadovskaya L.Ya.
Piezoelectric properties of Bi₂TeO₅ single crystals

Bak W., Garbarz B., Smiga W., Kus C.
Investigation of dielectric properties of LixNa_1-xNbO₃ ceramics for x = 1 and x=4

Stasyuk I.V., Levitskii R.R., Moina A.P.
Pressure effect upon the dielectric response of KDP family crystals

Chupis I.E.
Manifestations of the electron orbital moment in high-frequency properties of ferroelectrics with 3d-ions