Temperature dependent piezoelectric anisotropy in tetragonal 0.63Pb(Mg1/3Nb2/3)-0.37PbTiO3 single crystal

Limei Zheng, Yujia Jing, Xiaoyan Lu, Shiyang Li, Liya Yang, Weiming Lü, Wenwu Cao

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Abstract

In this work, we studied the temperature-dependent effective piezoelectric coefficient d 33∗ along the arbitrary direction of a tetragonal 0.63Pb(Mg1/3Nb2/3)-0.37PbTiO3 single crystal. Results show that the crystal changes from a rotator ferroelectrics with the maximum d 33∗ occurring along the nonpolar direction to a extender type with maximum piezoelectricity along [001]C. Two polymorphic phase transitions, orthorhombic-tetragonal and tetragonal-cubic, greatly influence the PS dynamics, leading to the change of d 33∗ anisotropy with temperature. The [011]C oriented crystals possess both improved piezoelectricity and high thermal stability, hence are the best choice for practical applications.

Original languageEnglish (US)
Article number102903
JournalApplied Physics Letters
Volume113
Issue number10
DOIs
StatePublished - Sep 3 2018

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy (miscellaneous)

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