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Title: Electrical characterization and equivalent circuit analysis of (Bi1.5Zn0.5)(Nb0.5Ti1.5)O7 Pyrochlore, a relaxor ceramic
Authors: Rozana Aina, Maulat Osman, Dr.
West, Anthony R.
Keywords: Bismuth compounds;Electric impedance;Equivalent circuits;Ferroelectric ceramics
Issue Date: 2011
Publisher: The American Institute of Physics (AIP)
Citation: Journal of Applied Physics, vol. 109 (7), 2011
Abstract: The ac impedance of (Bi1.5Zn0.5)(Nb0.5Ti1.5)O7, a relaxor ceramic with the pyrochlore structure, has been measured over the temperature range 10–1073K and analyzed using a combination of traditional, fixed-frequency sweeps of permittivity and tan d, impedance analysis using resistancecapacitance (RC) circuit combinations and equivalent circuit modeling with the inclusion of a constant phase element (CPE). Low temperature data accurately fit an equivalent circuit containing a parallel R-C-CPE element in series with a capacitor. From the temperature-dependence of the fitted R,C,CPE parameters, a model for the relaxor behavior is obtained.
Description: Link to publisher's homepage at http://www.aip.org/
URI: http://jap.aip.org/resource/1/japiau/v109/i7/p074106_s1?view=fulltext
ISSN: 0021-8979 (Print)
1089-7550 (Online)
Appears in Collections:School of Microelectronic Engineering (Articles)

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