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Dielectric properties of $Li_{0.003}Na_{0.997}NbO_3$ ceramics
(1998)
Temperature, frequency and time dependencies of dielectric permittivity and pyroelectric current of $Li_{0.003}Na_{0.997}NbO_3$ ceramics have been presented. Investigation of the pyroeffect reveals the existence of the ...
Przejście fazowe antyferroelektryk - paraelektryk w niestechiometrycznym $NaNbO_3$
(1990)
The theory of AFE-PE phase transformation as formulated by Kittel is reviewed. The experimental values obtained from dielectric measurements are related, to the parameters of Kittel's thermodynamic function.
Some of the ...
Zmiany temperaturowe współczynnika rozszerzalności liniowej $NaNbO_3$
(1990)
The operation principle of a dilatometer is described.
The temperature changes of the coefficient of linear expansion were measured in temperature range between minus 196°C and plus 740°C.
Linear expansion coefficient ...
Klasyfikacja stałych roztworów na bazie $NaNbO_3$
(1990)
The criterion of division solid solutions, based on sodium niobate in to ferro-, and antiferroelectric materials is described.
The results of measurements are compiled in the table.
Fotoferroelektryczne zjawiska w monokryształach $(Ba, Sr) Nb_2O_6$
(1990)
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 ...
Własności dielektryczne monokryształów $Pb(Cd_{1/3}Nb_{2/3})O_3$
(1990)
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 ...
Przyrząd z programowaną regulacją różnicy temperatury
(1990)
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.
Badanie właściwości termoelektrycznych roztworu stałego $Na_{1-x}Li_xNbO_3$ (dla x = 0 – 0,06)
(2017)
The article presents theoretical facts of thermoelectric phenomena (i.e. Joule effect, Seebeck
effect, Thomson effect and Peltier effect). Lead-free $Na_{1-x}Li_xNbO_3$ ceramics (x = 0 – 0,06) were
synthesized by a ...