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 journalArticle

42 Citations (Scopus)

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.

Original languageEnglish (US)
JournalJapanese Journal of Applied Physics, Part 2: Letters
Volume42
Issue number10 A
StatePublished - Oct 1 2003

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Single crystals
single crystals
dielectric properties
Temperature
temperature
coefficients
Crystals
Electromechanical coupling
crystals
phase transformations
Curie temperature
transducers
Transducers
Phase transitions
sensors
room temperature
Sensors

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy (miscellaneous)

Cite this

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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 2: Letters, Vol. 42, No. 10 A, 01.10.2003.

Research output: Contribution to journalArticle

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