Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/4242
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Title: The model of electric field dependent dielectric properties for porous ceramics
Authors: Zhang, Y
Wang, G
Wang, K
Wang, Y 
Dong, X
Issue Date: 1-Jun-2008
Source: Journal of applied physics, 1 June 2008, v. 103, no. 11, 114103, p. 1-5
Abstract: The electric field dependence on the dielectric properties of the porous ceramics was studied theoretically. The dielectric constant of the porous ceramics under certain direct current (dc) bias field and the real strength electric field in the porous ceramics were given quantitatively. As the pore can share the electric field, the tunability of the porous ceramics will be decreased when the porosity increases. The dielectric constant evolution of Ba₀.₆Sr₀.₄TiO₃-based porous ceramics with the dc bias electric field can be successfully explained by our theoretical results. Taking Ba₀.₆Sr₀.₄TiO₃-based porous ceramic samples, for example, there is good correspondence between the theoretical and the experimental results.
Keywords: Barium compounds
Dielectric losses
Ferroelectric ceramics
Permittivity
Porous materials
Strontium compounds
Publisher: American Institute of Physics
Journal: Journal of applied physics 
ISSN: 0021-8979
EISSN: 1089-7550
DOI: 10.1063/1.2937196
Rights: © 2008 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The following article appeared in Y. Zhang et al., J. Appl. Phys. 103, 114103 (2008) and may be found at http://link.aip.org/link/?jap/103/114103.
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