Growth and Piezoelectric Properties of Pb(In1/2Nb1/2)O3-Pb(Mg3Nb2/3)O3-PbTiO3 Ternary Single Crystals

Hideya Sakamoto; Yasuharu Hosono; Yohachi Yamashita; Noboru Ichinose

doi:10.14853/pcersj.2002F.0.357.0

15th Fall Meeting of The Ceramic Society of Japan

DOI https://doi.org/10.14853/pcersj.2002F.0.357.0

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Host: The Ceramic Society of Japan

Growth and Piezoelectric Properties of Pb(In_1/2Nb_1/2)O₃-Pb(Mg₃Nb_2/3)O₃-PbTiO₃ Ternary Single Crystals

Hideya Sakamoto, Yasuharu Hosono, Yohachi Yamashita, Noboru Ichinose

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Keywords: Lead indium niobate, Piezoelectric material, Single crystal, Dielectric constant, Curie temperature, Electromechanical coupling factor

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Pages 357

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Abstract

Single Crystals of xPb(In_1/2Nb_1/2)O₃-yPb(Mg_1/3Nb_2/3)O₃-zPbTiO₃ (PIMNT 100x/100y/100z) have been grown by a flux method. The crystals were grown in a platinum crucible by mass crystallization achieved by the slow cooling of a 50PIMNT:40PbO:10B₂O₃ (mol%) molten solution from 1230°C to 900°C at 1.2°C/h. Obtained crystals had a perovskite structure as in the case of PIMNT ceramics. One of the single crystals near the morphotropic phase boundary (MPB) sbowed a dielectric constant peak of 187°C with a high piezoelectric constant, d₃₃=2,200pC/N.

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