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Issue 24, 2018
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On the piezoelectric efficiency of rotator and extender ferroelectrics in random polycrystalline aggregates with various engineered domain states

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Abstract

This paper addresses the role of piezoelectric anisotropy in random ceramics of classic ferroelectric perovskites and analyzes the possibility of electromechanical enhancement by imposing various domain engineered states in random polycrystalline materials. It demonstrates that classical Mackenzie statistics of random crystallite orientations in an electrically poled polycrystalline aggregate favour their cumulative longitudinal piezoelectric activity in the class of ferroelectric rotators and disfavour it in the extenders. Further statistical analysis addresses the piezoelectric longitudinal effect of polar cone broadening in rotator-type ferroelectric ceramics subjected to poling in different polar polymorphs.

Graphical abstract: On the piezoelectric efficiency of rotator and extender ferroelectrics in random polycrystalline aggregates with various engineered domain states

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Publication details

The article was received on 05 Apr 2018, accepted on 09 May 2018 and first published on 09 May 2018


Article type: Paper
DOI: 10.1039/C8CE00535D
Citation: CrystEngComm, 2018,20, 3409-3418
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    On the piezoelectric efficiency of rotator and extender ferroelectrics in random polycrystalline aggregates with various engineered domain states

    M. I. Morozov, CrystEngComm, 2018, 20, 3409
    DOI: 10.1039/C8CE00535D

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