Temperature independent shear piezoelectric response in relaxor- PbTiO 3 based crystals

Fei Li; Shujun Zhang; Zhuo Xu; Xiaoyong Wei; Jun Luo; Thomas R. Shrout

doi:10.1063/1.3529952

Temperature independent shear piezoelectric response in relaxor- PbTiO ₃ based crystals

Fei Li, Shujun Zhang, Zhuo Xu, Xiaoyong Wei, Jun Luo, Thomas R. Shrout

Materials Research Institute (MRI)

Research output: Contribution to journal › Article

28 Scopus citations

Abstract

The temperature dependence of the shear piezoelectric responses in relaxor- PbTiO₃ based perovskite crystals with rhombohedral, orthorhombic, and tetragonal phases were investigated. Based on thermodynamic analysis, high shear piezoelectric coefficients (d24) and good thermal stability were predicted in orthorhombic crystals, owing to the "vertical" orthorhombic-rhombohedral phase boundary. By resonance measurements, shear piezoelectric coefficient d24 was found to be on the order of ∼2100 pC/N at room temperature, maintaining same value over the temperature range of -50-100 °C. In contrast, the shear piezoelectric coefficients d15, with values of 3300, 3600, and 2000 pC/N at room temperature for rhombohedral, orthorhombic, and tetragonal crystals, respectively, exhibited strong temperature dependent behavior due to their respective ferroelectric-ferroelectric phase transitions.

Original language	English (US)
Article number	252903
Journal	Applied Physics Letters
Volume	97
Issue number	25
DOIs	https://doi.org/10.1063/1.3529952
State	Published - Dec 20 2010

All Science Journal Classification (ASJC) codes

Physics and Astronomy (miscellaneous)

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10.1063/1.3529952

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Li, F., Zhang, S., Xu, Z., Wei, X., Luo, J., & Shrout, T. R. (2010). Temperature independent shear piezoelectric response in relaxor- PbTiO ₃ based crystals. Applied Physics Letters, 97(25), [252903]. https://doi.org/10.1063/1.3529952

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AU - Shrout, Thomas R.

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