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Charakterystyki prądowo-napięciowe i przewodnictwo elektryczne niobianu sodu $NaNbO_3$
(1977)
The temperature changes of electrical conductivity, as well as changes of the Seebeck coefficient and the
electrical permeability of sodium niobate $NaNbO_3$, have been investigated. The obtained data were used to define ...
Zjawiska termoelektryczne w układzie $Pt-NaNbO_3-Pt$
(1977)
Temperature changes of the electrical conductivity and of the Seebeck coefficient for the ceramics $NaNbO_3$, and
$NaNbO_3$ + 0.2% mol $La_2O_3$, have been investigated.
The obtained results have been used to define the ...
Wyznaczanie współczynnika efektywności termoelektrycznej niobianu sodu
(1977)
To evaluate the possibilities of using sodium niobate in thermo-electric converters transforming heat energy into
electric energy, the temperature changes of electric conductivity, of Seebeck coefficient and of the thermal ...
Prądy ograniczone ładunkiem przestrzennym dla $(Pb_{0,95}Sr_{0,05})$ $(Zr_{0,53}Ti_{0,47})O_3$ z domieszkami 3% mol $PbO$, 1% mol $La_2O_3$, 1% mol $Nb_2O_5$
(1980)
The influence of the admixture of 3% $PbO$, 1% $La_2O_3$ and 1% $Nb_2O_5$ on the electric properties (electric
permeability, electric conductivity, Seebeck coeficient and current - voltage, current - time characteristics) ...
Wpływ redukcji tlenowej na zmiany temperaturowe przewodnictwa elektrycznego niobanu sodu
(1980)
A design of a new quartz thermostate is described. It controls:
1) The temperature of the sample from ambient temperature to 1270 K,
2) The pressure of the atmospheric air or other gases within the range from $133,3°10^{-6}$ ...
Charakterystyki prądowo-czasowe w układzie $metal-NaNbO_3-metal$
(1980)
The temperature changes of current - voltage and current - time characteristics having been investigated, data are
used to define the type of conductivity and to determine the activation energy of the charge carriers. ...
Wpływ defektów tlenowych na zmiany temperaturowe przewodnictwa elektrycznego niestechiometrycznego niobianu sodu
(1984)
Measurements of electrical conductivity of nonstoichiometric $NaNbO_3$ were made in the air atmosphere under normal
and reduced pressure. It was stated that the value of electrical conductivity is strongly effected by ...
Otrzymywanie ferroelektrycznych ceramik o dużej gęstości
(1984)
The method of hot pressing permits to obtain the ceramics of high density.
It consist in simulate neons application of high temperature and pressure on charge made of pressed powder.
The authors elaborated several devices ...
Elektryczne i fotoelektryczne własności monokryształów $PbMg_{1/3}Nb_{2/3}O_3$ w niskich temperaturach
(1984)
Electric and fotoelectric properties of monocrystals $PbMg_{1/3}Nb_{2/3}O_3$ in low temperatures are discussed.
It is found that in the region of low temperatures electric properties of $PbMg_{1/3}Nb_{2/3}O_3$ are to large ...
Wpływ domieszek $La_2O_3$ na własności elektryczne niobianu sodu $NaNbO_3$
(1984)
The temperature changes of electric conductivity and of electric permittivity were investigated for the $NaNbO_3$
and $NaNbO_3$ + /0,1%, 0,2%, 0,25%, 0,3%, 0,4%, 0,5% and 1% mol $La_2O_3$/ ceramics. Obtained data were ...