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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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
Issue number10
StatePublished - Sep 3 2018

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy (miscellaneous)


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