Rocznik Naukowo-Dydaktyczny. Prace Fizyczne
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Uogólnienie warunku przyczynowości N.N. Bogolubowa
(1990)Paper discusses the general causality condition formulated basing on the generalized scheme of axiomatic quantum field theory of N.N. Bogolubov. -
Zastosowanie teorii funkcjonału gęstości do określenia potencjału chemicznego niejednorodnego gazu elektronowego
(1990)Essential information about density functional theory (DFT) are given as well as the possibilities of application for determination of chemical potential are shown. The examples of calculations, made for various electron ... -
Aparat do znajdowania przedmiotów metalowych
(1990)Operation principles of the apparatus for cable ducts and metal tubles location are presented. Main constructional data of a prototype and its parameters are described. -
Projektowanie pomocy dydaktycznej i analiza metody pomiarowej w ćwiczeniach laboratoryjnych na przykładzie wahadła rewersyjnego
(1990)The using of computer for optimization of measurement method on the base of the reverse pendulum. -
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. -
Własności kryształów HgJ[2] i ich wykorzystanie w detekcji promieniowania γ
(1990)This paper present the optical spectra of red tetragonal HgJ[2] single crystal were investigated at 4.2K and 79K in 2-6eV region of photon energy and application obtain results in construction γ-ray detectors. -
Analiza izotropowego widma EPR K[3][Cr(Cn)[5]NO[3]]
(1990)Two methods: stick diagram approach and microcomputer simulation for interpretation of the isotropic ESR spectrum of water solution of K3[Cr(Cn)[5]NO] complex were described in terms of possible didactic purposes. -
Optyczne metody diagnostyki plazmy
(1990)The application to the atomic spectroscopy of the electric arc plasma is described. The states of plasma equilibrium are discussed. A method of the precise evaluation of the line profile (or the total intensity), corrected ... -
Zależność struktury kryształów typu A B od ładunków efektywnych rdzeni atomowych
(1990)The concept of electronegativity was used in this work to analyze the stability of AB type crystalline structures. The parameters of the dependence between ion energy and the charge were adjusted applying a new method. The ... -
Termodynamiczne aspekty przejść fazowych ferroelektryk-paraelektryk
(1990)This work is a theoretical introduction to the problem of the phenomenology of phase transition. A particular attention was paid to the characterization of ferroelectric transitions of the kind of order-disorder. The ... -
Charakterystyki prądowo-napięciowe ferroelektryków
(1990)The review of the most important theoretical considerations explaining the shape of I-V characteristics for ferroelectric materials is done. The assumptions and calculations proposed by Fridkin-Kreher and Krapivin-Chensky ... -
Dielektryczne własności tytanianu sodowo-bizmutowego Na[0.5]Bi[0.5]TiO[3]
(1990)The experiments were carried out on dielectric ceramic sodium – bismuth titonate for some frequence of the applied electric field. The effect of the applied constant electric field on the shift temperature of the phase ... -
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 ... -
Osobliwe punkty na fazowym diagramie T-x dla Pb (Zr[1-x]Ti[x]) O[3]
(1990)The temperature dependences of dielectrical permitivity and the electric conductivity for Pb(Zr[1-x]Ti[x])O[3] single crystals have been investigated. The additional evidence, for the existence of the tricritical points ... -
Zależność między szerokością pasma wzbronionego a temperaturą Curie w ferroelektrycznych roztworach stałych ze strukturą typu perowskitu
(1990)On the base of the spectral dependence of the photoconductivity the width of forbidden band E[g] was determined in ferroelectric solid solutions: x PbTiO[3] – (1-x)SrTiO[3] I, x PbTiO[3] – (1-x)PbZrO[3] II, AgNbO[3] – ... -
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 ... -
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. -
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 ... -
Rocznik Naukowo-Dydaktyczny. Z. 136. Prace Fizyczne 6
(Wydawnictwo Naukowe Wyższej Szkoły Pedagogicznej, Kraków, 1990)
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