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Polar domain structural evolution under electric field and temperature in the (Bi0.5 Na0.5)TiO3 -0.06BaTiO3 piezoceramics

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Zhao, Jinyan, Zhang, Nan, Ren, Wei, Niu, Gang, Walker, David, Thomas, Pam A., Wang, Lingyan and Ye, Zuo-Guang (2018) Polar domain structural evolution under electric field and temperature in the (Bi0.5 Na0.5)TiO3 -0.06BaTiO3 piezoceramics. Journal of the American Ceramic Society, 102 (1). pp. 437-447. doi:10.1111/jace.15883

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Official URL: http://dx.doi.org/10.1111/jace.15883

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Abstract

Lead‐free bismuth sodium titanate and related compounds are of great interest as promising candidates for piezoelectric applications. However, the full understanding of this family of materials is still a challenge partly because of their structural complexity and different behaviors with or without the application of an external electric field. Here, piezoresponse force microscopy is used to gain insight into the mesoscopic‐scale domain structure of the morphotropic phase boundary (MPB) composition of (1‐x)Bi0.5Na0.5TiO3‐xBaTiO3 solid solution at x = 0.06 (abbreviated as BNT‐6BT). The evolution of the domains with the changes of the electric field and temperature has been thoroughly examined in conjunction with the crystal structure analysis and dielectric studies. It is found that ferroelectric domains with size of hundreds of nanometers are embedded in a relaxor state without visible domains on a mesoscopic scale, which are considered to contribute to the tetragonal and cubic phases in the material, respectively. Temperature‐independent domain configuration is observed in the unpoled sample from room temperature to 200°C. While, temperature‐dependent domain configuration is observed in the poled sample. The homogenously poled state breaks into the mixed domain configuration containing polydomain structure and invisible state around the so‐called depoling temperature. The structural changes on different length scales are also discussed. This work provides an in‐depth understanding of the structural and domain changes under an electric field and the temperature‐dependent domain evolution in both unpoled and poled states in the BNT‐BT solid solution of the MPB composition.

Item Type: Journal Article
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: Faculty of Science, Engineering and Medicine > Science > Physics
Library of Congress Subject Headings (LCSH): Piezoelectric ceramics, Ferroelectricity, Atomic force microscopy
Journal or Publication Title: Journal of the American Ceramic Society
Publisher: Wiley-Blackwell Publishing Ltd.
ISSN: 0002-7820
Official Date: 20 June 2018
Dates:
DateEvent
20 June 2018Published
18 June 2018Accepted
Volume: 102
Number: 1
Page Range: pp. 437-447
DOI: 10.1111/jace.15883
Status: Peer Reviewed
Publication Status: Published
Reuse Statement (publisher, data, author rights): This is the peer reviewed version of the following article: Zhao J, Zhang N, Ren W, et al. Polar domain structural evolution under electric field and temperature in the (Bi0.5Na0.5)TiO3‐0.06BaTiO3 piezoceramics. J Am Ceram Soc. 2019;102:437–447. https://doi.org/10.1111/jace.15883, which has been published in final form at http://dx.doi.org/10.1111/jace.15883. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Use of Self-Archived Versions.
Access rights to Published version: Restricted or Subscription Access
RIOXX Funder/Project Grant:
Project/Grant IDRIOXX Funder NameFunder ID
51332003[NSFC] National Natural Science Foundation of Chinahttp://dx.doi.org/10.13039/501100001809
51202184[NSFC] National Natural Science Foundation of Chinahttp://dx.doi.org/10.13039/501100001809
91323303[NSFC] National Natural Science Foundation of Chinahttp://dx.doi.org/10.13039/501100001809
51602247[NSFC] National Natural Science Foundation of Chinahttp://dx.doi.org/10.13039/501100001809
61604123[NSFC] National Natural Science Foundation of Chinahttp://dx.doi.org/10.13039/501100001809
2017JQ6003Natural Science Foundation of Shaanxi Provincehttp://dx.doi.org/10.13039/501100007128
B14040[MEPRC] Ministry of Education of the People's Republic of Chinahttp://dx.doi.org/10.13039/501100002338
N00014- 2-1-1045 Office of Naval Researchhttp://dx.doi.org/10.13039/100000006
N00014-16-1-3106 Office of Naval Researchhttp://dx.doi.org/10.13039/100000006
203773[NSERC] Natural Sciences and Engineering Research Council of Canadahttp://dx.doi.org/10.13039/501100000038
UNSPECIFIEDXi’an Jiaotong Universityhttp://dx.doi.org/10.13039/501100002412

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