Elastic, dielectric, and piezoelectric constants of Pb(In 1/2Nb1/2)O3-Pb (Mg1/3Nb 2/3)O3-PbTiO3 single crystal poled along [011]c

Enwei Sun, Shujun Zhang, Jun Luo, Thomas R. Shrout, Wenwu Cao

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Ternary single crystals xPb(In1/2Nb1/2)O3 - (1-x-y) Pb(Mg1/3Nb2/3)O3-yPbTiO3 (PIN-PMN-PT) poled along [011]c showed remarkable electromechanical properties. We report complete sets of elastic, dielectric, and piezoelectric constants of PIN-PMN-28%PT and PIN-PMN-32%PT, measured by using combined resonance and ultrasonic methods. The electromechanical coupling coefficients k15, k32, and k33 can reach 0.95, 0.90, and 0.92, and the piezoelectric strain coefficients d15, d32, and d33 are as high as 3354 pC/N, -1781 pC/N, and 1363 pC/N, respectively. These full matrix data sets provide the base for fundamental studies on domain engineering phenomena as well as urgently needed input data for the design of electromechanical devices using [011] c poled PIN-PMN-PT single crystals.

Original languageEnglish (US)
Article number032902
JournalApplied Physics Letters
Issue number3
StatePublished - Jul 19 2010

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy (miscellaneous)

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