Ferroelectric and ferroelastic domain wall motion in unconstrained Pb(Zr,Ti)O3 microtubes and thin films.

Srowthi Bharadwaja,Paul Moses,Susan Trolier-McKinstry,Theresa Mayer,Paolo Bettotti,Lorenzo Pavesi

IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control（2010）

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摘要

Ferroelectric polarization switching of high aspect ratio (>80:1) PbZr0.52Ti0.48O3 (PZT) microtubes with a wall thickness of ~200 nm was investigated. A charge-based technique was used to assess the dielectric and ferroelectric properties of individual mechanically-unconstrained PZT microtubes with interdigitated electrodes. An enhancement in the degree of ferroelastic (non-180°) domain wall motio...

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关键词

Ferroelectric materials,Dielectric substrates,Temperature distribution,Temperature dependence,Polarization,Mechanical factors,Electrodes,Ferroelectric films,Ferroelectric devices,Dielectric materials

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