The contribution of electrical conductivity, dielectric permittivity and domain switching in ferroelectric hysteresis loops

Yan, Haixue, Inam, Fawad, Viola, Giuseppe, Ning, Huanpo, Zhang, Hingtao, Jiang, Qinghui, Zeng, Tao, Gao, Zhipeng and Reece, Michael (2011) The contribution of electrical conductivity, dielectric permittivity and domain switching in ferroelectric hysteresis loops. Journal of Advanced Dielectrics, 01 (01). pp. 107-118. ISSN 2010-135X

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Official URL: http://dx.doi.org/10.1142/S2010135X11000148

Abstract

Triangular voltage waveform was employed to distinguish the contributions of dielectric permittivity, electric conductivity and domain switching in current-electric field curves. At the same time, it is shown how those contributions can affect the shape of the electric displacement — electric field loops (D–E loops). The effects of frequency, temperature and microstructure (point defects, grain size and texture) on the ferroelectric properties of several ferroelectric compositions is reported, including: BaTiO3; lead zirconate titanate (PZT); lead-free Na0.5K0.5NbO3; perovskite-like layer structured A2B2O7 with super high Curie point (Tc); Aurivillius phase ferroelectric Bi3.15Nd0.5Ti3O12; and multiferroic Bi0.89La0.05Tb0.06FeO3. This systematic study provides an instructive outline in the measurement of ferroelectric properties and the analysis and interpretation of experimental data.

Item Type: Article
Uncontrolled Keywords: Polarization, ferroelectrics, conductivity, permittivity, domain
Subjects: F200 Materials Science
H600 Electronic and Electrical Engineering
J300 Ceramics and Glasses
Department: Faculties > Engineering and Environment > Mechanical and Construction Engineering
Depositing User: Fawad Inam
Date Deposited: 23 May 2013 08:28
Last Modified: 10 Aug 2015 11:20
URI: http://nrl.northumbria.ac.uk/id/eprint/12656

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