Non-trivial Behavior of Temperature of Dielectric Constant Maximum in (Pb/La)(Zr/Ti)O3 9/65/35 Relaxor Ferroelectric Ceramics Detected by Acoustic Emission

Evgeniy Dul’kin; Michael Roth; Floriana Craciun; Carmen Galassi

doi:10.1590/1980-5373-MR-2022-0061

Non-trivial Behavior of Temperature of Dielectric Constant Maximum in (Pb/La)(Zr/Ti)O₃ 9/65/35 Relaxor Ferroelectric Ceramics Detected by Acoustic Emission

Evgeniy Dul’kin^*, Michael Roth, Floriana Craciun, Carmen Galassi

^*Corresponding author for this work

The Institute of Applied Physics

Research output: Contribution to journal › Article › peer-review

Abstract

9/65/35 PLZT relaxor was studied under a bias electric field using the acoustic emission method. It was established that the temperature of smeared dielectric constant maximum exhibits the V-shape, lying fully within the ergodic phase, as well as that the threshold electric field is found to be approximately the same as in both PMN-0.24PT and PFN-0.02PT relaxors. A reason of the latter phenomena is discussed from the viewpoint of incorporated ions properties.

Original language	English
Article number	e20220061
Journal	Materials Research
Volume	26
DOIs	https://doi.org/10.1590/1980-5373-MR-2022-0061
State	Published - 2023

Bibliographical note

Publisher Copyright:
© 2023 Universidade Federal de Sao Carlos. All rights reserved.

Keywords

Curie temperature
Relaxor ferroelectrics
acoustic emission
polar nanoregions
random electric fields

Access to Document

10.1590/1980-5373-MR-2022-0061

Cite this

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abstract = "9/65/35 PLZT relaxor was studied under a bias electric field using the acoustic emission method. It was established that the temperature of smeared dielectric constant maximum exhibits the V-shape, lying fully within the ergodic phase, as well as that the threshold electric field is found to be approximately the same as in both PMN-0.24PT and PFN-0.02PT relaxors. A reason of the latter phenomena is discussed from the viewpoint of incorporated ions properties.",

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AU - Craciun, Floriana

AU - Galassi, Carmen

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AB - 9/65/35 PLZT relaxor was studied under a bias electric field using the acoustic emission method. It was established that the temperature of smeared dielectric constant maximum exhibits the V-shape, lying fully within the ergodic phase, as well as that the threshold electric field is found to be approximately the same as in both PMN-0.24PT and PFN-0.02PT relaxors. A reason of the latter phenomena is discussed from the viewpoint of incorporated ions properties.

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