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Research Article | Open Access

A new insight into structural complexity in ferroelectric ceramics

Weidong ZENGaQingning LIaChangrong ZHOUa( )Jiwen XUaChanglai YUANaGuohua CHENa
School of Material Science and Engineering, Guilin University of Electronic Technology, Guilin 541004, China
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The structure of the ferroelectrics has been widely studied in order to pursuing the origin of high electromechanical responses. However, some experiments on structure of ferroelectrics have yielded different results. Here, we report that the controversial phase structure is due to the adaptive diffraction of nanodomains which hides the natural crystal structure, and the electric-field-induced phase transition is that the natural crystal structure reappears due to the coalescent nanodomains or ordering nanodomains by applying a high electric field. The temperature dependence of dielectric constant with different measurement frequencies and X-ray diffraction (XRD) patterns of unpoled, poled, and annealing after poled ceramics in Bi0.5Na0.5TiO3-BaTiO3 (BNT-BT) ceramics authenticate the statement. These results provide a new insight into the origin of structural complexity in ferroelectric ceramics, which is related to the key role of nanodomains.


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Journal of Advanced Ceramics
Pages 262-268
Cite this article:
ZENG W, LI Q, ZHOU C, et al. A new insight into structural complexity in ferroelectric ceramics. Journal of Advanced Ceramics, 2017, 6(3): 262-268.








Web of Science






Received: 18 March 2017
Revised: 04 June 2017
Accepted: 09 June 2017
Published: 29 September 2017
© The author(s) 2017

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