〈 001 〉 textured (K0.5 Na0.5) (Nb 0.97 Sb0.03) O3 piezoelectric ceramics with high electromechanical coupling over a broad temperature range

Yunfei Chang; Stephen F. Poterala; Zupei Yang; Susan Trolier-McKinstry; Gary L. Messing

doi:10.1063/1.3271682

〈 001 〉 textured (K_0.5 Na_0.5) (Nb _0.97 Sb_0.03) O₃ piezoelectric ceramics with high electromechanical coupling over a broad temperature range

Yunfei Chang, Stephen F. Poterala, Zupei Yang, Susan Trolier-McKinstry, Gary L. Messing

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Abstract

〈 001 〉 -oriented (K_0.5 Na_0.5) (Nb _0.97Sb_0.03) O₃ (KNNS) ceramics with a narrow orientation distribution (full width at half maximum=7.0°) were produced by templated grain growth using NaNbO₃ templates. Excellent electromechanical properties were obtained from -70 °C to the polymorphic phase transition (PPT) at 160 °C. Textured KNNS ceramics show very high electromechanical coupling factors k_p =0.64 and k₃₁ =0.37, high piezoelectric constants d₃₃ =208-218 pC/N and d₃₁ =-82 pC/N, and modest strain hysteresis (6.3%) at room temperature. These properties are superior to those of randomly oriented KNN-based ceramics with similar PPT temperatures.

Original language	English (US)
Article number	232905
Journal	Applied Physics Letters
Volume	95
Issue number	23
DOIs	https://doi.org/10.1063/1.3271682
State	Published - 2009

All Science Journal Classification (ASJC) codes

Physics and Astronomy (miscellaneous)

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10.1063/1.3271682

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title = "〈 001 〉 textured (K0.5 Na0.5) (Nb 0.97 Sb0.03) O3 piezoelectric ceramics with high electromechanical coupling over a broad temperature range",

abstract = "〈 001 〉 -oriented (K0.5 Na0.5) (Nb 0.97Sb0.03) O3 (KNNS) ceramics with a narrow orientation distribution (full width at half maximum=7.0°) were produced by templated grain growth using NaNbO3 templates. Excellent electromechanical properties were obtained from -70 °C to the polymorphic phase transition (PPT) at 160 °C. Textured KNNS ceramics show very high electromechanical coupling factors kp =0.64 and k31 =0.37, high piezoelectric constants d33 =208-218 pC/N and d31 =-82 pC/N, and modest strain hysteresis (6.3%) at room temperature. These properties are superior to those of randomly oriented KNN-based ceramics with similar PPT temperatures.",

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T1 - 〈 001 〉 textured (K0.5 Na0.5) (Nb 0.97 Sb0.03) O3 piezoelectric ceramics with high electromechanical coupling over a broad temperature range

AU - Chang, Yunfei

AU - Poterala, Stephen F.

AU - Yang, Zupei

AU - Trolier-McKinstry, Susan

AU - Messing, Gary L.

PY - 2009

Y1 - 2009

N2 - 〈 001 〉 -oriented (K0.5 Na0.5) (Nb 0.97Sb0.03) O3 (KNNS) ceramics with a narrow orientation distribution (full width at half maximum=7.0°) were produced by templated grain growth using NaNbO3 templates. Excellent electromechanical properties were obtained from -70 °C to the polymorphic phase transition (PPT) at 160 °C. Textured KNNS ceramics show very high electromechanical coupling factors kp =0.64 and k31 =0.37, high piezoelectric constants d33 =208-218 pC/N and d31 =-82 pC/N, and modest strain hysteresis (6.3%) at room temperature. These properties are superior to those of randomly oriented KNN-based ceramics with similar PPT temperatures.

AB - 〈 001 〉 -oriented (K0.5 Na0.5) (Nb 0.97Sb0.03) O3 (KNNS) ceramics with a narrow orientation distribution (full width at half maximum=7.0°) were produced by templated grain growth using NaNbO3 templates. Excellent electromechanical properties were obtained from -70 °C to the polymorphic phase transition (PPT) at 160 °C. Textured KNNS ceramics show very high electromechanical coupling factors kp =0.64 and k31 =0.37, high piezoelectric constants d33 =208-218 pC/N and d31 =-82 pC/N, and modest strain hysteresis (6.3%) at room temperature. These properties are superior to those of randomly oriented KNN-based ceramics with similar PPT temperatures.

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〈 001 〉 textured (K_0.5 Na_0.5) (Nb _0.97 Sb_0.03) O₃ piezoelectric ceramics with high electromechanical coupling over a broad temperature range

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