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Przedstawiono wyniki pomiarów rentgenowskich (XRD) i dielektrycznych dla polikrystalicznego (Ba0,9Sr0,1)TiO3 (BS10T). Wyniki pomiarów pokazują obecność, w temperaturze 373 K, rozmytej przemiany fazowej (DPT) pomiędzy strukturą regularną i tetragonalną. Temperatura maksimum rzeczywistej składowej przenikalności elektrycznej (ε') nie zależy od częstotliwości elektrycznego pola pomiarowego. Kąt fazowy,...
Polycrystalline samples of Ba0,36Na0,64Ti0,36Nb0,64O3 (BNTN64) solid solution were obtained with conventional method and subjected to dielectric properties studies. The measurements were made with application of dielectric spectroscopy technique at the frequencies ranging from 20 Hz to 1 MHz and the temperature above 123 K and below 473 K. The temperature and frequency dependencies of real (??) and...
Purpose: The purpose of this work was to determinate the influence of the nonferroactive 25% Sn substitutions in (sublattice B) on changes of the character of phase transition (PT) in comparison with pure barium titanate BaTiO3 (BT). Design/methodology/approach: The dielectrometry method was applied in order to measure complex dielectric permittivity and other dielectric functions of ferroelectric...
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