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Fine grains ceramics of PIN-PT, PIN-PMN-PT and PMN-PT systems Drift of the dielectric constant under high electric field

Abstract : Lead-based ferroelectric ceramics with (1-x)Pb(B1 B2)O3-xPbTiO3 formula have emerged as a group of promising materials for various applications like ultrasonic sonars or medical imaging transducers. (1-x)PMN-xPT, (1-x)PIN-xPT and ternary solutions xPIN-yPMN-zPT ceramics are synthesised using the solid state reaction method. Our objective is to achieve higher structural transition temperatures than those of PMN-PT ceramics with as good dielectric, piezoelectric and electromechanical properties. Ceramics capacitance and loss tangent are measured when the ac field of measurement increases up to E = 500 V/mm. Behaviours of these materials under ac field are related to their coercive field and Curie temperature. © 2006 Elsevier B.V. All rights reserved.
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https://hal-centralesupelec.archives-ouvertes.fr/hal-02270960
Contributor : Amandine Lustrement <>
Submitted on : Monday, August 26, 2019 - 2:25:57 PM
Last modification on : Wednesday, July 1, 2020 - 4:22:03 PM

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M. Pham-Thi, C. Augier, Hichem Dammak, P. Gaucher. Fine grains ceramics of PIN-PT, PIN-PMN-PT and PMN-PT systems Drift of the dielectric constant under high electric field. Ultrasonics, 2006, 44 (SUPPL.), pp.e627-e631. ⟨10.1016/j.ultras.2006.05.017⟩. ⟨hal-02270960⟩

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