Electrostrictive strain enhancement method for sodium bismuth titanate-based relaxor ferroelectric

Electrostrictive strain enhancement method for sodium bismuth titanate-based relaxor ferroelectric

The invention relates to the technical field of materials, and discloses an electrostrictive strain enhancement method for a sodium bismuth titanate-based relaxor ferroelectric. According to the invention, pre-polarization operation of an alternating electric field is carried out on the sodium bismu...

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Hauptverfasser: WU JIAGANG, WU CHAO, WEN LANJI, YIN JIE, WU XIAOJUN
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Sprache:chi ; eng
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ARTIFICIAL STONE
CEMENTS
CERAMICS
CHEMISTRY
COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS
CONCRETE
ELECTRICITY
LIME, MAGNESIA
METALLURGY
REFRACTORIES
SLAG
TREATMENT OF NATURAL STONE
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creator WU JIAGANG
WU CHAO
WEN LANJI
YIN JIE
WU XIAOJUN
description The invention relates to the technical field of materials, and discloses an electrostrictive strain enhancement method for a sodium bismuth titanate-based relaxor ferroelectric. According to the invention, pre-polarization operation of an alternating electric field is carried out on the sodium bismuth titanate-based relaxor ferroelectric ceramic which is synthesized by a traditional solid phase method and is located near a critical position, and an original large-size non-traversal polarity region is induced in a traversal sodium bismuth titanate-based relaxor, so that a nucleation barrier in a field-induced strain process is reduced; and the electrostrictive strain effect is obviously enhanced. After simple treatment, the electrostrictive strain of the sodium bismuth titanate-based relaxor ferroelectric ceramic under excitation of a 60 kV/cm electric field is obviously improved compared with that in an initial state, and the sodium bismuth titanate-based relaxor ferroelectric ceramic has more excellent perfo
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subjects ARTIFICIAL STONE
CEMENTS
CERAMICS
CHEMISTRY
COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS
CONCRETE
ELECTRICITY
LIME, MAGNESIA
METALLURGY
REFRACTORIES
SLAG
TREATMENT OF NATURAL STONE
title Electrostrictive strain enhancement method for sodium bismuth titanate-based relaxor ferroelectric
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