Temperature and frequency dependence of the coercive field of 0.71PbMb1/3Nb2/3O3-0.29PbTiO3 relaxor-based ferroelectric single crystal

Yang Zhang; Zhaojiang Chen; Wenwu Cao; Zhongwu Zhang

doi:10.1063/1.4998187

Temperature and frequency dependence of the coercive field of 0.71PbMb_1/3Nb_2/3O₃-0.29PbTiO₃ relaxor-based ferroelectric single crystal

Yang Zhang, Zhaojiang Chen, Wenwu Cao, Zhongwu Zhang

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

29 Scopus citations

Abstract

The hysteresis loop of ferroelectric materials becomes narrower with the increase in temperature due to energy barrier reduction, while the coercive field level increases with frequency due to the inertia of polarization reversal. These two competing effects determine the limiting operation field of medical imaging transducers at high frequencies. We have measured the coercive field of the 0.71PbMb_1/3Nb_2/3O₃-0.29PbTiO₃ single crystal as functions of both temperature and frequency. It was found that the coercive field linearly decreases with temperature at all frequencies. Related theoretical analysis was also performed to understand the physics behind the observed phenomena.

Original language	English (US)
Article number	172902
Journal	Applied Physics Letters
Volume	111
Issue number	17
DOIs	https://doi.org/10.1063/1.4998187
State	Published - Oct 23 2017

All Science Journal Classification (ASJC) codes

Physics and Astronomy (miscellaneous)

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10.1063/1.4998187

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title = "Temperature and frequency dependence of the coercive field of 0.71PbMb1/3Nb2/3O3-0.29PbTiO3 relaxor-based ferroelectric single crystal",

abstract = "The hysteresis loop of ferroelectric materials becomes narrower with the increase in temperature due to energy barrier reduction, while the coercive field level increases with frequency due to the inertia of polarization reversal. These two competing effects determine the limiting operation field of medical imaging transducers at high frequencies. We have measured the coercive field of the 0.71PbMb1/3Nb2/3O3-0.29PbTiO3 single crystal as functions of both temperature and frequency. It was found that the coercive field linearly decreases with temperature at all frequencies. Related theoretical analysis was also performed to understand the physics behind the observed phenomena.",

author = "Yang Zhang and Zhaojiang Chen and Wenwu Cao and Zhongwu Zhang",

note = "Funding Information: This work was supported by the Siemens Medical Solutions, USA (Contract No. 177912-2), the Fundamental Research Funds for the Central Universities (HEUCFJ171005, HEUCFJ171001, and HEUCFP201703), and the NSFC Funding (Nos. 51371062 and U1460102). Publisher Copyright: {\textcopyright} 2017 Author(s).",

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doi = "10.1063/1.4998187",

language = "English (US)",

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T1 - Temperature and frequency dependence of the coercive field of 0.71PbMb1/3Nb2/3O3-0.29PbTiO3 relaxor-based ferroelectric single crystal

AU - Zhang, Yang

AU - Chen, Zhaojiang

AU - Cao, Wenwu

AU - Zhang, Zhongwu

N1 - Funding Information: This work was supported by the Siemens Medical Solutions, USA (Contract No. 177912-2), the Fundamental Research Funds for the Central Universities (HEUCFJ171005, HEUCFJ171001, and HEUCFP201703), and the NSFC Funding (Nos. 51371062 and U1460102). Publisher Copyright: © 2017 Author(s).

PY - 2017/10/23

Y1 - 2017/10/23

N2 - The hysteresis loop of ferroelectric materials becomes narrower with the increase in temperature due to energy barrier reduction, while the coercive field level increases with frequency due to the inertia of polarization reversal. These two competing effects determine the limiting operation field of medical imaging transducers at high frequencies. We have measured the coercive field of the 0.71PbMb1/3Nb2/3O3-0.29PbTiO3 single crystal as functions of both temperature and frequency. It was found that the coercive field linearly decreases with temperature at all frequencies. Related theoretical analysis was also performed to understand the physics behind the observed phenomena.

AB - The hysteresis loop of ferroelectric materials becomes narrower with the increase in temperature due to energy barrier reduction, while the coercive field level increases with frequency due to the inertia of polarization reversal. These two competing effects determine the limiting operation field of medical imaging transducers at high frequencies. We have measured the coercive field of the 0.71PbMb1/3Nb2/3O3-0.29PbTiO3 single crystal as functions of both temperature and frequency. It was found that the coercive field linearly decreases with temperature at all frequencies. Related theoretical analysis was also performed to understand the physics behind the observed phenomena.

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Temperature and frequency dependence of the coercive field of 0.71PbMb_1/3Nb_2/3O₃-0.29PbTiO₃ relaxor-based ferroelectric single crystal

Abstract

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