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  1. 3 Acta Physica Polonica A

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  1. 1 2005

  2. 1 1994

  3. 1 1992

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  1. 3 Poźniak J.

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Thermally Stimulated Depolarization Current of Two-Component Heterogeneous Solid

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Poźniak J.
Acta Physica Polonica A
|
1994
|
vol. 86
|
issue 6
995-999
EN
A simplified theory of thermally stimulated depolarization current of a parallel-plate condenser filled with heterogeneous solid consisting of two dielectrics is presented. It is assumed that the particles (with different shapes and dimensions) of one dielectric are sparsely distributed in another dielectric. A second basic assumption is that the average field in the solid is equal to the external electric field.
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Thermally Stimulated Depolarization Currents in NaCl:Ca^{2+} Crystals

100%
Poźniak J.
Acta Physica Polonica A
|
2005
|
vol. 107
|
issue 6
959-965
EN
Analysis of the thermally stimulated depolarization currents in Ca^{2+}-doped NaCl crystals is carried out by taking into account the presence of the Ca^{2+}-cation vacancy complexes with vacancies in both nearest-neighbourhood and next-nearest neighbourhood position. Relaxation parameters are derived by fitting the experimental data to standard equations. The results are, where possible, compared with the relevant parameters reported in the literature.
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Thermally Stimulated Depolarization Current in Heterogeneous Structures. The Dielectric Matrix with Dielectric Spheres

100%
Poźniak J.
Acta Physica Polonica A
|
1992
|
vol. 81
|
issue 4-5
589-597
EN
Theoretical analysis of the thermally stimulated depolarization current in heterogeneous structure is performed. Two systems are considered: (i) a single dielectric sphere in dielectric matrix and (ii) a continuous dielectric medium containing sparsely distributed dielectric spheres (Wagner-Voigt model of heterogeneous dielectric. The existence of the interfacial charge is taken into account. The equations are found which describe the dependence of the thermally stimulated depolarization current density on the polarization conditions and on the electrical properties of the both materials.
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