Observation of the flexoelectric effect in relaxor Pb(Mg1/3Nb2/3)O3 ceramics

The relationship between elastic strain gradient and electric polarization was investigated in the relaxor ferroelectric lead magnesium niobate ceramic. Experimental studies indicated that flexoelectric polarization is linearly proportional to the applied strain gradient, and the flexoelectric coeff...

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Veröffentlicht in:Applied physics letters 2001-05, Vol.78 (19), p.2920-2921
Hauptverfasser: Ma, Wenhui, Cross, L. Eric
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container_title Applied physics letters
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creator Ma, Wenhui
Cross, L. Eric
description The relationship between elastic strain gradient and electric polarization was investigated in the relaxor ferroelectric lead magnesium niobate ceramic. Experimental studies indicated that flexoelectric polarization is linearly proportional to the applied strain gradient, and the flexoelectric coefficient μ12 is calculated to be 4×10−6 C/m, which is much higher than the early phenomenological estimations.
doi_str_mv 10.1063/1.1356444
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title Observation of the flexoelectric effect in relaxor Pb(Mg1/3Nb2/3)O3 ceramics
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