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Applied Physics Letters / Volume 78 / Issue 19 / DIELECTRICS AND FERROELECTRICITY

Appl. Phys. Lett. 78, 2920 (2001); doi:10.1063/1.1356444 (2 pages)

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

Wenhui Ma and L. Eric Cross

Materials Research Laboratory, Pennsylvania State University, University Park, Pennsylvania 16802

(Received 31 October 2000; accepted 22 January 2001)

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. © 2001 American Institute of Physics.

© 2001 American Institute of Physics

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KEYWORDS and PACS

Keywords

lead compounds, magnesium compounds, ferroelectric ceramics, flexoelectricity, dielectric polarisation, piezoelectricity

PACS

  • 77.84.Ek

    Niobates and tantalates

  • 77.84.Cg

    PZT ceramics and other titanates

  • 81.05.Je

    Ceramics and refractories (including borides, carbides, hydrides, nitrides, oxides, and silicides)

  • 77.65.Ly

    Strain-induced piezoelectric fields

  • 77.22.Ej

    Polarization and depolarization

  • 77.80.-e

    Ferroelectricity and antiferroelectricity

ARTICLE DATA

Permalink
http://link.aip.org/link/doi/10.1063/1.1356444

PUBLICATION DATA

ISSN:

0003-6951 (print)  
1077-3118 (online)

Publisher:

$abstract.society.value is a Member of CrossRef American Institute of Physics

For access to fully linked references, you need to log in.
    R. B. Meyer, Phys. Rev. Lett. 22, 918 (1969).

    V. L. Indenbom, E. B. Loginov, and M. A. Osipov, Sov. Phys. Crystallogr. 26, 656 (1981).

    A. K. Tagantsev, Sov. Phys. JETP 61, 1246 (1985).


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