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

Srowthi S.N. Bharadwaja, Paul J. Moses, Susan E. Trolier-McKinstry, Theresa S. Mayer, Paolo Bettotti, Lorenzo Pavesi

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

Ferroelectric polarization switching of high aspect ratio (>80:1) PbZr0.52Ti00.48O3 (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 motion was observed in the tubes relative to films of similar thickness on rigid substrates. The dielectric response of the tubes showed a Rayleigh-like ac field dependence over a wide temperature range; the extent of the extrinsic contribution to the dielectric response dropped as the temperature approached 10K, but remained finite. This work demonstrates a general methodology for directly electrically addressing small, unconstrained ferroelectric devices, extending the range of driving fields and temperatures over which these materials can be probed.

Original languageEnglish (US)
Article number5442873
Pages (from-to)792-800
Number of pages9
JournalIEEE transactions on ultrasonics, ferroelectrics, and frequency control
Volume57
Issue number4
DOIs
StatePublished - Apr 1 2010

Fingerprint

Domain walls
Ferroelectric materials
domain wall
Thin films
Ferroelectric devices
thin films
tubes
high aspect ratio
Temperature
temperature
dielectric properties
Aspect ratio
methodology
Polarization
Electrodes
electrodes
augmentation
Substrates
polarization

All Science Journal Classification (ASJC) codes

  • Instrumentation
  • Acoustics and Ultrasonics
  • Electrical and Electronic Engineering

Cite this

Bharadwaja, Srowthi S.N. ; Moses, Paul J. ; Trolier-McKinstry, Susan E. ; Mayer, Theresa S. ; Bettotti, Paolo ; Pavesi, Lorenzo. / Ferroelectric and ferroelastic domain wall motion in unconstrained Pb(Zr,Ti)O3 microtubes and thin films. In: IEEE transactions on ultrasonics, ferroelectrics, and frequency control. 2010 ; Vol. 57, No. 4. pp. 792-800.
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Ferroelectric and ferroelastic domain wall motion in unconstrained Pb(Zr,Ti)O3 microtubes and thin films. / Bharadwaja, Srowthi S.N.; Moses, Paul J.; Trolier-McKinstry, Susan E.; Mayer, Theresa S.; Bettotti, Paolo; Pavesi, Lorenzo.

In: IEEE transactions on ultrasonics, ferroelectrics, and frequency control, Vol. 57, No. 4, 5442873, 01.04.2010, p. 792-800.

Research output: Contribution to journalArticle

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AU - Bharadwaja, Srowthi S.N.

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AU - Mayer, Theresa S.

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