Exploring the electromechanical response and electric field-induced dielectric anomalies in PMN–PT electroceramics
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Data publicació2021-06-23
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Abstract
<jats:p> Electromechanical and dielectric properties of PMN–PT ferroelectric ceramics are investigated. In particular, dielectric response studies focus on the investigation of the influence of the DC applied electric field on the dielectric permittivity as a function of temperature and frequency. Results reveal an electric field driven dielectric anomaly in the dielectric permittivity curves, [Formula: see text], which in turn prevails in the whole ferroelectric phase region and continuously vanishes for temperatures near the paraelectric-ferroelectric phase transition temperature. A schematic model for the domains dynamics of the studied material is proposed taking into account the simultaneous contribution of both 90[Formula: see text] and 180[Formula: see text] domains walls. </jats:p>
CitacióGuerra, J. [et al.]. Exploring the electromechanical response and electric field-induced dielectric anomalies in PMN–PT electroceramics. "JOURNAL OF ADVANCED DIELECTRICS", 23 Juny 2021, vol. 11, núm. 3, p. 2140005:1-2140005:7.
ISSN2010-135X
Versió de l'editorhttps://www.worldscientific.com/doi/abs/10.1142/S2010135X21400051
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