An efficient way to enhance output strain for shear mode Pb(In 1/2Nb 1/2)O 3-Pb(Mg 1/3Nb 2/3)O 3-PbTiO 3 crystals: Applying uniaxial stress perpendicular to polar direction

Fei Li, Shujun Zhang, Zhuo Xu, Dabin Lin, Junjie Gao, Zhenrong Li, Linghang Wang

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Abstract

The shear piezoelectric behavior of [001] poled tetragonal and [011] poled rhombohedral Pb(In 1/2Nb 1/2)O 3-Pb(Mg 1/3Nb 2/3)O 3-PbTiO 3 (PIN-PMN-PT) crystals, with 1T and 2R domain configurations, respectively, were investigated under uniaxial stress perpendicular to polar direction. The shear piezoelectric coefficient d 15 was found to decrease with increasing compressive stress for both 1T and 2R crystals. Based on thermodynamic analysis, the phase structure can be stabilized by applying compressive stress perpendicular to polar direction, resulting in a harder polarization rotation process, accounts for the reduced shear piezoelectric coefficient. Of particular importance is that the allowable drive electric field was greatly increased and transverse dielectric loss was drastically reduced under compressive stress, leading to the improved maximum-shear-strain.

Original languageEnglish (US)
Article number192901
JournalApplied Physics Letters
Volume100
Issue number19
DOIs
StatePublished - May 7 2012

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy (miscellaneous)

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