Rocznik Naukowo-Dydaktyczny. Prace Fizyczne: Recent submissions
Now showing items 21-40 of 79
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Wpływ niestechiometrii na zmiany czasowe i temperaturowe prądu depolaryzacji ceramiki niobianu sodu
(1986)Time and temperature changes of polarisation and depolarisation currents of the $NaNbO_3$ ceramics samples assumed to have correct stoichiometric content and of the samples $NaNbO_3$ having the excess of niobium or sodium ... -
Zjawiska fotoelektryczne w monokryształach BaTiO[3] w obszarze niskotemperaturowych przejść fazowych
(1986)This work concerns ferroelectric phenomena in monocrystals BaTiO[3]. Influence of light illumination on electric conductivity and on phase transition temperature was studied in particular. It was found that illumination ... -
Wpływ stałego pola elektrycznego i magnetycznego na zmiany temperaturowe przenikalności elektrycznej w BaTiO[3]
(1986)Influence of the constant electric field on temperature changes of electric permeability in BaTiO[3] were studied. It was found that the Curie temperature shifts towards higher value and that the value of max decreases ... -
Urządzenie do mierzenia fotoindukowanej luminescencji
(1986)The construction of a simple device for measurements of photoinduced, slowly decaying luminescence from biological samples is described. Construction elements and subsystems available at the domestic market are mainly ... -
Zmiany temperaturowe współczynnika przewodnictwa ciepła niobianu sodu
(1986)Construction of the vacuum thermostat intended for measuring the heat conductivity of ferroelectrics and its temperature changes is presented. The properties of $NaNbO_3$ are studied in order to apply it in building the ... -
Wysokotemperaturowe ciepło właściwe tytanianu boru
(1986)It has been measured the specific heat c[p] of ceramic samples of BaTiO[3] using a cooling method in the temperature range 330-430°K. It found the phase transition at about 392°K what was seen as a peak on the plot c [p]= ... -
Cyfrowy teslomierz hallotronowy
(1986)The block diagram of the digital Hall – effect teslometer intended to the fast determination of magnetic induction is presented and its functioning is described. Its possible application and some characteristics B(x) ... -
Własności elektryczne niestechiometrycznego $NaNbO_3$
(1986)Electric properties of the compound $Na_{1-x}NbO_{3-0.5x}$ for 0<x<0.1 were studied. Influence of $Na_2O$ deficit on the sinter temperature on phase transition on dielectric and semiconducting properties of the ceramic ... -
Planowanie pomiarów i eksponowanie celów ćwiczenia w I pracowni fizycznej
(1986)The role of the emphasis of the aims of the experiment and planning of measurement in didactic process is described. Their positive influence on the level of the student experimental work connected with the increase of ... -
Wpływ pola magnetycznego na własności $BaTiO_3$
(1986)Influence of the constant magnetic field on temperature changes of the dielectric constant and on the electric conductivity of $BaTiO_3$. It was shown for this material that together with the increase of the magnetic ... -
Otrzymywanie i własności optyczne cienkich warstw układu ZnO-SnO[2]
(1986)The amorphous SnO[2]-ZnO thin films were obtained by dc reactive sputtering of alloy targets Zn[x]Sn[1-x]. The atomic ratio (Zn/Sn)[w], was determinated for films prepared from various targets. Optical constants n and k ... -
Wpływ częstotliwości i kształtu impulsów pola pomiarowego na mierzone wartości polaryzacji orientacyjnej ferroelektrycznej ceramiki PLZT
(1986)Selected problems of the methodics of measuring the orientation polarization (P[r]) of ceramic ferroelectrics were discussed on the example of the ceramics PLZT 9/65/35. These ceramics can be easily switched as their ... -
Wpływ domieszek na własności elektryczne $NaNbO_3$
(1986)Influence of the modifiers Ba, Ca, La and Ti on electric properties of $NaNbO_3$ was studied. Data concerning their influence on electric conductivity, dielectric permeability and Curie point are presented. Dependance ... -
Rocznik Naukowo-Dydaktyczny. Z. 103. Prace Fizyczne 5
(Wydawnictwo Naukowe Wyższej Szkoły Pedagogicznej, Kraków, 1986) -
Stabilizator temperatury wykonany w oparciu o zasilacz regulowany typu 5351-4
(1984)Operation principle of a temperature stabilizer on the vegetation feeder type 5351-4. Main design features and parameters of the tester are detailed. -
Wskaźnik typu przewodnictwa elektrycznego materiałów półprzewodnikowych
(1984)Operation principle of a tester for measuring type of a semiconductor (n or p). Main design features and parameters of the tester are detailed. -
Metoda oraz przyrząd do pomiaru rezystancji styku dwóch różnych materiałów
(1984)Operation principle of the method measurement of resistance of contact between two materials. Main design features and parameters of the method measurement of resistance of contact between two materials. -
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 ... -
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 ... -
Fizyczne własności ferro-piezoelektrycznych ceramik rodziny perowskitu
(1984)The electric properties and specially influence of defects on electrical conductivity are presented for modified PZT ceramics. The spectr of energie for oxides perovskite type A[2+]B[4+]O[3] is shown. The influence of ...