Temperature scaling of ferroelectric hysteresis in hard lead zirconate titanate bulk ceramic

The temperature scaling of the ferroelectric hysteresis was investigated in hard lead zirconate titanate (PZT) bulk ceramic. The power-law temperature scaling relations were obtained for hystersis area 〈A〉, remnant polarization Pr, and coercivity EC in the forms of 〈A〉∝T-0.9650, Pr∝T-0.0261, and EC∝...

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Bibliographic Details
Published in:Applied physics. A, Materials science & processing Materials science & processing, 2007-11, Vol.89 (3), p.737-741
Main Authors: YIMNIRUN, R, NGAMJARUROJANA, A, WONGMANEERUNG, R, WONGSAENMAI, S, ANANTA, S, LAOSIRITAWORN, Y
Format: Article
Language:English
Subjects:
Applied physics
Coercivity
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Decay rate
Dielectrics, piezoelectrics, and ferroelectrics and their properties
Domain structure
hysteresis
Exact sciences and technology
Ferroelectric materials
Ferroelectricity
Ferroelectricity and antiferroelectricity
Hysteresis
Lead zirconate titanates
Materials science
Physics
Scaling laws
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Summary:The temperature scaling of the ferroelectric hysteresis was investigated in hard lead zirconate titanate (PZT) bulk ceramic. The power-law temperature scaling relations were obtained for hystersis area 〈A〉, remnant polarization Pr, and coercivity EC in the forms of 〈A〉∝T-0.9650, Pr∝T-0.0261, and EC∝T-0.8823, respectively, which are mostly comparable to those of its soft counterpart. The observation that Pr decayed more slowly with temperature than in soft PZT was attributed to the presence of the complex defects in hard PZT. However, the product of Pr and EC still provided the similar scaling law on the T dependence in comparison with 〈A〉.
ISSN:0947-8396
1432-0630
DOI:10.1007/s00339-007-4156-9