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Nonlinear and linear impedance of bismuth vanadate ceramics and its relation to structural properties
Abstract
The nonlinear and linear electrical properties, topography, and microstructure of bismuth-vanadate ceramics, were studied. The structurewas observed with the use of X-ray diffraction (XRD), scanning electronmicroscopy (SEM), atomic force microscopy (AFM) and confocal microscopy methods. The obtained results showed that ceramic is porous. Two phase transitionswere determinedwith the use of DSC measurements. The linear and nonlinear ac complex conductivity was studied as the function of frequency, temperature, and ac voltage. The activation energy of dc conduction processes was evaluated. The temperature dependence of conductance and permittivity showed a specific behaviour in two temperatures which were in agreement with phase transition temperatures. The nonlinear impedance studies showed that the ratio of third harmonic to base frequency conductivity reached more than 0.20. Obtained nonlinearities achieved two maxima near phase transition temperatures.
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Details
- Category:
- Articles
- Type:
- artykuł w czasopiśmie wyróżnionym w JCR
- Published in:
-
SOLID STATE IONICS
no. 271,
pages 86 - 90,
ISSN: 0167-2738 - Language:
- English
- Publication year:
- 2015
- Bibliographic description:
- Szreder N., Kupracz P., Prześniak-Welenc M., Karczewski J., Gazda M., Barczyński R.: Nonlinear and linear impedance of bismuth vanadate ceramics and its relation to structural properties// SOLID STATE IONICS. -Vol. 271, (2015), s.86-90
- DOI:
- Digital Object Identifier (open in new tab) 10.1016/j.ssi.2014.10.028
- Verified by:
- Gdańsk University of Technology
Referenced datasets
- dataset The topography of Bi2VO5.5 ceramic measured with SEM and confocal microscope
- dataset The structure of Bi2VO5.5 ceramic prepared by 3 different ways measured with X-ray diffraction
- dataset The topography of Bi2VO5.5 ceramics prepared by melt-quenching technique was measured with confocal microscope
- dataset Nonlinear impedance as a function of A.C. voltage of Bi2VO5.5 ceramic of thickness 2.88 mm was measured at 693 K with impedance spectroscopy method
- dataset Nonlinear impedance of as-quenched Bi2VO5.5 glass-ceramic was measured with impedance spectroscopy method at low temperature region
- dataset Nonlinear impedance as a function of temperature and frequency for Bi2VO5.5 ceramic of thickness 2.52 mm was measured at different A.C. voltage with impedance spectroscopy method
- dataset Nonlinear impedance of Bi2VO5.5 glass-ceramic annealed at 423 K was measured with impedance spectroscopy method at high temperature region
- dataset Linear impedance of Bi2VO5.5 ceramic of thickness 2.88 mm measured with impedance spectroscopy method at low temperature region
- dataset Linear impedance of Bi2VO5.5 ceramic prepared by traditional melt quenching technique measured with impedance spectroscopy method at low temperature region
- dataset D.C. electrical measurements of Bi2VO5.5 ceramic measured at high temperature region
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