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Critical property in relaxor-PbTiO3 single crystals - Shear piezoelectric response

Journal Article


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Abstract


  • The shear piezoelectric behavior in relaxor-PbTiO 3 (PT) single crystals is investigated with regard to the crystal phase. High levels of shear piezoelectric activity, d 15 or d 24 >2000 pC N -1, are observed for single-domain rhombohedral (R), orthorhombic (O), and tetragonal (T) relaxor-PT crystals. The high piezoelectric response is attributed to a flattening of the Gibbs free energy at compositions close to the morphotropic phase boundaries, where polarization rotation is easily accomplished by applying a perpendicular electric field. The shear piezoelectric behavior of perovskite ferroelectric crystals is discussed with respect to ferroelectric-ferroelectric phase transitions and the dc bias field using a phenomenological approach. The relationship between the single-domain shear piezoelectric response and piezoelectric activities in domain-engineered configurations is also given in this paper. From an application viewpoint, the temperature and ac-field drive stability for shear piezoelectric responses are investigated. A temperature-independent shear piezoelectric response (d 24, in the range of -50 °C to the O-T phase-transition temperature) is thermodynamically expected and experimentally confirmed in orthorhombic relaxor-PT crystals; a relatively high ac-field drive stability (5 kV cm -1) is obtained in manganese-modified relaxor-PT crystals. For all thickness shear vibration modes, the mechanical quality factor Qs are less than 50, corresponding to the facilitated polarization rotation. The shear piezoelectric behavior in relaxor-PbTiO 3 (PT) single crystals is systematically investigated with regard to the crystal phase. High levels of shear piezoelectric activity, d 15 or d 24 >2000 pC N -1, are observed for single-domain rhombohedral (R), orthorhombic (O), and tetragonal (T) relaxor-PT crystals. These properties are investigated with respect to the temperature and electric field. The results demonstrate that the single-domain relaxor-PbTiO 3 crystals are promising materials for high-performance transducers. Copyright © 2011 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

Authors


  •   Li, Fei (external author)
  •   Zhang, Shujun
  •   Xu, Zhuo (external author)
  •   Wei, Xiaoyong (external author)
  •   Shrout, Thomas R. (external author)

Publication Date


  • 2011

Citation


  • Li, F., Zhang, S., Xu, Z., Wei, X. & Shrout, T. R. (2011). Critical property in relaxor-PbTiO3 single crystals - Shear piezoelectric response. Advanced Functional Materials, 21 (11), 2118-2128.

Scopus Eid


  • 2-s2.0-79957458471

Ro Full-text Url


  • http://ro.uow.edu.au/cgi/viewcontent.cgi?article=3023&context=aiimpapers

Ro Metadata Url


  • http://ro.uow.edu.au/aiimpapers/2021

Has Global Citation Frequency


Number Of Pages


  • 10

Start Page


  • 2118

End Page


  • 2128

Volume


  • 21

Issue


  • 11

Place Of Publication


  • Germany

Abstract


  • The shear piezoelectric behavior in relaxor-PbTiO 3 (PT) single crystals is investigated with regard to the crystal phase. High levels of shear piezoelectric activity, d 15 or d 24 >2000 pC N -1, are observed for single-domain rhombohedral (R), orthorhombic (O), and tetragonal (T) relaxor-PT crystals. The high piezoelectric response is attributed to a flattening of the Gibbs free energy at compositions close to the morphotropic phase boundaries, where polarization rotation is easily accomplished by applying a perpendicular electric field. The shear piezoelectric behavior of perovskite ferroelectric crystals is discussed with respect to ferroelectric-ferroelectric phase transitions and the dc bias field using a phenomenological approach. The relationship between the single-domain shear piezoelectric response and piezoelectric activities in domain-engineered configurations is also given in this paper. From an application viewpoint, the temperature and ac-field drive stability for shear piezoelectric responses are investigated. A temperature-independent shear piezoelectric response (d 24, in the range of -50 °C to the O-T phase-transition temperature) is thermodynamically expected and experimentally confirmed in orthorhombic relaxor-PT crystals; a relatively high ac-field drive stability (5 kV cm -1) is obtained in manganese-modified relaxor-PT crystals. For all thickness shear vibration modes, the mechanical quality factor Qs are less than 50, corresponding to the facilitated polarization rotation. The shear piezoelectric behavior in relaxor-PbTiO 3 (PT) single crystals is systematically investigated with regard to the crystal phase. High levels of shear piezoelectric activity, d 15 or d 24 >2000 pC N -1, are observed for single-domain rhombohedral (R), orthorhombic (O), and tetragonal (T) relaxor-PT crystals. These properties are investigated with respect to the temperature and electric field. The results demonstrate that the single-domain relaxor-PbTiO 3 crystals are promising materials for high-performance transducers. Copyright © 2011 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

Authors


  •   Li, Fei (external author)
  •   Zhang, Shujun
  •   Xu, Zhuo (external author)
  •   Wei, Xiaoyong (external author)
  •   Shrout, Thomas R. (external author)

Publication Date


  • 2011

Citation


  • Li, F., Zhang, S., Xu, Z., Wei, X. & Shrout, T. R. (2011). Critical property in relaxor-PbTiO3 single crystals - Shear piezoelectric response. Advanced Functional Materials, 21 (11), 2118-2128.

Scopus Eid


  • 2-s2.0-79957458471

Ro Full-text Url


  • http://ro.uow.edu.au/cgi/viewcontent.cgi?article=3023&context=aiimpapers

Ro Metadata Url


  • http://ro.uow.edu.au/aiimpapers/2021

Has Global Citation Frequency


Number Of Pages


  • 10

Start Page


  • 2118

End Page


  • 2128

Volume


  • 21

Issue


  • 11

Place Of Publication


  • Germany