Origin of the enhanced piezoelectric thermal stability in BiScO3-PbTiO3 single crystals

Lingping Kong; Gang Liu; Shujun Zhang; Wenge Yang

doi:10.1063/1.4922345

Origin of the enhanced piezoelectric thermal stability in BiScO₃-PbTiO₃ single crystals

Lingping Kong, Gang Liu, Shujun Zhang, Wenge Yang

Materials Research Institute (MRI)

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

13 Scopus citations

Abstract

BiScO₃-PbTiO₃ single crystals were reported to possess high piezoelectric coefficient of 1200 pC/N and Curie temperature of >400°C, exhibiting excellent thermal stability of properties up to 350°C. However, the origin of the thermal stability is yet unclear. In this research, high resolution synchrotron-based technique was used to study the temperature driven structural evolution in BiScO₃-PbTiO₃ system, where two competing symmetries and local distortion were observed, accounting for the high piezoelectric activity. A strong correlation between thermal stability of structure and temperature-dependent properties was established, which will benefit the design of ferroelectric materials with broad temperature usage range.

Original language	English (US)
Article number	232901
Journal	Applied Physics Letters
Volume	106
Issue number	23
DOIs	https://doi.org/10.1063/1.4922345
State	Published - Jun 8 2015

All Science Journal Classification (ASJC) codes

Physics and Astronomy (miscellaneous)

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abstract = "BiScO3-PbTiO3 single crystals were reported to possess high piezoelectric coefficient of 1200 pC/N and Curie temperature of >400°C, exhibiting excellent thermal stability of properties up to 350°C. However, the origin of the thermal stability is yet unclear. In this research, high resolution synchrotron-based technique was used to study the temperature driven structural evolution in BiScO3-PbTiO3 system, where two competing symmetries and local distortion were observed, accounting for the high piezoelectric activity. A strong correlation between thermal stability of structure and temperature-dependent properties was established, which will benefit the design of ferroelectric materials with broad temperature usage range.",

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AU - Zhang, Shujun

AU - Yang, Wenge

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Y1 - 2015/6/8

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AB - BiScO3-PbTiO3 single crystals were reported to possess high piezoelectric coefficient of 1200 pC/N and Curie temperature of >400°C, exhibiting excellent thermal stability of properties up to 350°C. However, the origin of the thermal stability is yet unclear. In this research, high resolution synchrotron-based technique was used to study the temperature driven structural evolution in BiScO3-PbTiO3 system, where two competing symmetries and local distortion were observed, accounting for the high piezoelectric activity. A strong correlation between thermal stability of structure and temperature-dependent properties was established, which will benefit the design of ferroelectric materials with broad temperature usage range.

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Origin of the enhanced piezoelectric thermal stability in BiScO₃-PbTiO₃ single crystals

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