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    Nano-domains in lead-free piezoceramics: A review

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    nano domains.pdf
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    6.514Mb
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    PDF
    Description:
    Accepted manuscript
    Embargo End Date:
    2021-04-24
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    Type
    Article
    Authors
    Lv, Xiang cc
    Zhang, Xixiang cc
    Wu, Jiagang cc
    KAUST Department
    Material Science and Engineering Program
    Physical Science and Engineering (PSE) Division
    Date
    2020
    Embargo End Date
    2021-04-24
    Submitted Date
    2020-03-30
    Permanent link to this record
    http://hdl.handle.net/10754/663533
    
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    Abstract
    Reducing or even prohibiting the use of toxic lead in electronic devices has become one of the most cutting-edge topics in various disciplines. The recently proposed phase boundary engineering endows lead-free piezoceramics with comparable performances to that of some lead-based piezoceramics. However, the enhancement in performance hinges on the coexistence of multi-phases and complex domain structures, particularly the occurrence of nano-domains and polar nanoregions (PNRs). Although nano-domains have been significantly studied in lead-based piezoceramics, understanding the nano-domains and PNRs in lead-free piezoceramics is in its infancy and needs a systematic summary and in-depth analysis. Herein, we summarize the nano-domains and PNRs in three representative lead-free piezoceramics (i.e., potassium sodium niobate, barium titanate, and sodium bismuth titanate), focusing on their effects on macro performance. First, we introduce the foundation and tools for the observation of the domains. Then, we summarize the variations in the nano-domains with phase structure, electric field, and temperature, and their effects on performance including piezoelectricity, strain, temperature stability, aging, and fatigue. Finally, we present our perspectives on the future of nano-domains, concentrating on nano-domain engineering. Therefore, this review can help better understand the nano-domains and PNRs in lead-free piezoceramics, and be used for the further development of high-performance lead-free piezoceramics.
    Citation
    Lv, X., Zhang, X., & Wu, J. (2020). Nano-domains in lead-free piezoceramics: a review. Journal of Materials Chemistry A, 8(20), 10026–10073. doi:10.1039/d0ta03201h
    Sponsors
    The authors thank the support from the National Natural Science Foundation of China (NSFC No. 51722208 and 51972215) and the Key Technologies Research and Development Program of Sichuan Province (No. 2018JY0007).
    Publisher
    Royal Society of Chemistry (RSC)
    Journal
    Journal of Materials Chemistry A
    DOI
    10.1039/d0ta03201h
    Additional Links
    http://xlink.rsc.org/?DOI=D0TA03201H
    ae974a485f413a2113503eed53cd6c53
    10.1039/d0ta03201h
    Scopus Count
    Collections
    Articles; Physical Science and Engineering (PSE) Division; Material Science and Engineering Program

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