Electromechanical Properties in Rhombohedral BiScO3-PbTiO 3 Single Crystals as a Function of Temperature

Shujun Zhang; Clive A. Randall; Thomas R. Shrout

doi:10.1143/jjap.42.l1152

Electromechanical Properties in Rhombohedral BiScO₃-PbTiO ₃ Single Crystals as a Function of Temperature

Shujun Zhang, Clive A. Randall, Thomas R. Shrout

Research output: Contribution to journal › Article › peer-review

44 Scopus citations

Abstract

Single crystals in the BiScO₃-PbTiO₃ (BSPT) system were grown using the conventional high temperature solution method. The dielectric, piezoelectric and electromechanical properties along 〈110〉 direction were investigated as a function of temperature. The Curie temperature was found to be ∼380°C with a rhombohedral-tetragonal phase transformation temperature (T_R-T) at 300°C. The coercive field for (110) oriented crystals was found to be 15 kV/cm with a piezoelectric coefficient (d₃₃) of 650 pC/N. The lateral mode electromechanical coupling factor (k₃₁) of 〈;110〉/〈001〉 cut was around 75% with a piezoelectric coefficient (d₃₁) of -800 pC/N. The dielectric, piezoelectric and electromechanical properties were nearly temperature independent from room temperature to 250°C, making BSPT crystals promising for sensor and transducer application.

Original language	English (US)
Pages (from-to)	L1152-L1154
Journal	Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers
Volume	42
Issue number	10 A
DOIs	https://doi.org/10.1143/jjap.42.l1152
State	Published - Oct 1 2003

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General Engineering
General Physics and Astronomy

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10.1143/jjap.42.l1152

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abstract = "Single crystals in the BiScO3-PbTiO3 (BSPT) system were grown using the conventional high temperature solution method. The dielectric, piezoelectric and electromechanical properties along 〈110〉 direction were investigated as a function of temperature. The Curie temperature was found to be ∼380°C with a rhombohedral-tetragonal phase transformation temperature (TR-T) at 300°C. The coercive field for (110) oriented crystals was found to be 15 kV/cm with a piezoelectric coefficient (d33) of 650 pC/N. The lateral mode electromechanical coupling factor (k31) of 〈;110〉/〈001〉 cut was around 75% with a piezoelectric coefficient (d31) of -800 pC/N. The dielectric, piezoelectric and electromechanical properties were nearly temperature independent from room temperature to 250°C, making BSPT crystals promising for sensor and transducer application.",

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Electromechanical Properties in Rhombohedral BiScO₃-PbTiO ₃ Single Crystals as a Function of Temperature. / Zhang, Shujun; Randall, Clive A.; Shrout, Thomas R.
In: Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers, Vol. 42, No. 10 A, 01.10.2003, p. L1152-L1154.

Research output: Contribution to journal › Article › peer-review

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T1 - Electromechanical Properties in Rhombohedral BiScO3-PbTiO 3 Single Crystals as a Function of Temperature

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AU - Randall, Clive A.

AU - Shrout, Thomas R.

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Y1 - 2003/10/1

N2 - Single crystals in the BiScO3-PbTiO3 (BSPT) system were grown using the conventional high temperature solution method. The dielectric, piezoelectric and electromechanical properties along 〈110〉 direction were investigated as a function of temperature. The Curie temperature was found to be ∼380°C with a rhombohedral-tetragonal phase transformation temperature (TR-T) at 300°C. The coercive field for (110) oriented crystals was found to be 15 kV/cm with a piezoelectric coefficient (d33) of 650 pC/N. The lateral mode electromechanical coupling factor (k31) of 〈;110〉/〈001〉 cut was around 75% with a piezoelectric coefficient (d31) of -800 pC/N. The dielectric, piezoelectric and electromechanical properties were nearly temperature independent from room temperature to 250°C, making BSPT crystals promising for sensor and transducer application.

AB - Single crystals in the BiScO3-PbTiO3 (BSPT) system were grown using the conventional high temperature solution method. The dielectric, piezoelectric and electromechanical properties along 〈110〉 direction were investigated as a function of temperature. The Curie temperature was found to be ∼380°C with a rhombohedral-tetragonal phase transformation temperature (TR-T) at 300°C. The coercive field for (110) oriented crystals was found to be 15 kV/cm with a piezoelectric coefficient (d33) of 650 pC/N. The lateral mode electromechanical coupling factor (k31) of 〈;110〉/〈001〉 cut was around 75% with a piezoelectric coefficient (d31) of -800 pC/N. The dielectric, piezoelectric and electromechanical properties were nearly temperature independent from room temperature to 250°C, making BSPT crystals promising for sensor and transducer application.

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Electromechanical Properties in Rhombohedral BiScO₃-PbTiO ₃ Single Crystals as a Function of Temperature

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