Piezoelectric hysteresis and relaxation process in ferroelectric ceramics in a weak electric field

被引：0

作者：

Shvetsov, I. A. ^{[1
]}

Shvetsova, N. A. ^{[1
]}

Petrova, E. I. ^{[1
]}

Reznichenko, A. N. ^{[1
]}

Rybyanets, A. N. ^{[1
]}

机构：

[1] Southern Fed Univ, Res Inst Phys, Rostov Na Donu, Russia

来源：

FERROELECTRICS | 2024年 / 618卷 / 05期

关键词：

Ferroelectric ceramics; complex dielectric constants; impedance spectroscopy; hysteresis; relaxation process; domain walls; COMPLEX ELECTROMECHANICAL PARAMETERS; MICROSTRUCTURAL FEATURES;

D O I：

10.1080/00150193.2024.2305094

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

In this work, the piezoelectric hysteresis and relaxation process induced by a weak DC electric field in ferroelectric ceramics were studied using the impedance spectroscopy method and piezoelectric resonance analysis program (PRAP). The DC field and time dependences of the complex dielectric constants were measured for the radial extensional mode of vibrations of thin piezoceramic disks. It was found that the hysteresis and relaxation nature of the field and time dependences of the complex dielectric constants were caused by the reversible displacements of 90 degrees domain walls as well as the space charge transformation.

引用

页码：1287 / 1292

页数：6

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