Evidence of double-loop hysteresis in disordered ferroelectric crystal

Jacopo Parravicini; Lucia Fornasari; Eugenio DelRe; Franco Marabelli; Aharon J. Agranat; Gianbattista Parravicini

doi:10.1063/1.5143524

Evidence of double-loop hysteresis in disordered ferroelectric crystal

Jacopo Parravicini^*
, Lucia Fornasari
, Eugenio DelRe
, Franco Marabelli
, Aharon J. Agranat
, Gianbattista Parravicini

^*Corresponding author for this work

The Institute of Applied Physics

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

3 Scopus citations

Abstract

Double-loop electric-field vs polarization hysteresis is investigated in a depoled compositionally disordered lithium-enriched potassium tantalate niobate crystal. Comparing electro-optic response and dielectric spectroscopy indicates that the anomalous response occurs for those temperatures in which the sample also manifests a temperature hysteresis in the low-frequency dielectric function. An electric-field hysteresis at concurrent temperatures suggests an underlying role of reorienting mesoscopic polar regions that accompany the nonergodic phase.

Original language	English
Article number	184107
Journal	Journal of Applied Physics
Volume	127
Issue number	18
DOIs	https://doi.org/10.1063/1.5143524
State	Published - 14 May 2020

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abstract = "Double-loop electric-field vs polarization hysteresis is investigated in a depoled compositionally disordered lithium-enriched potassium tantalate niobate crystal. Comparing electro-optic response and dielectric spectroscopy indicates that the anomalous response occurs for those temperatures in which the sample also manifests a temperature hysteresis in the low-frequency dielectric function. An electric-field hysteresis at concurrent temperatures suggests an underlying role of reorienting mesoscopic polar regions that accompany the nonergodic phase.",

author = "Jacopo Parravicini and Lucia Fornasari and Eugenio DelRe and Franco Marabelli and Agranat, \{Aharon J.\} and Gianbattista Parravicini",

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AU - Parravicini, Jacopo

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AU - DelRe, Eugenio

AU - Marabelli, Franco

AU - Agranat, Aharon J.

AU - Parravicini, Gianbattista

PY - 2020/5/14

Y1 - 2020/5/14

N2 - Double-loop electric-field vs polarization hysteresis is investigated in a depoled compositionally disordered lithium-enriched potassium tantalate niobate crystal. Comparing electro-optic response and dielectric spectroscopy indicates that the anomalous response occurs for those temperatures in which the sample also manifests a temperature hysteresis in the low-frequency dielectric function. An electric-field hysteresis at concurrent temperatures suggests an underlying role of reorienting mesoscopic polar regions that accompany the nonergodic phase.

AB - Double-loop electric-field vs polarization hysteresis is investigated in a depoled compositionally disordered lithium-enriched potassium tantalate niobate crystal. Comparing electro-optic response and dielectric spectroscopy indicates that the anomalous response occurs for those temperatures in which the sample also manifests a temperature hysteresis in the low-frequency dielectric function. An electric-field hysteresis at concurrent temperatures suggests an underlying role of reorienting mesoscopic polar regions that accompany the nonergodic phase.

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Evidence of double-loop hysteresis in disordered ferroelectric crystal

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