Recent developments in high curie temperature perovskite single crystals

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

doi:10.1109/TUFFC.2005.1428037

Recent developments in high curie temperature perovskite single crystals

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

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

56 Scopus citations

Abstract

The temperature behavior of various relaxor-PT piezoelectric single crystals was investigated. Owing to a strongly curved morphotropic phase boundary, the usage temperature of these perovskite single crystals is limited by T _R-T - the rhombohedral to tetragonal phase transformation temperature - which occurs at significantly lower temperatures than the Curie temperature T _C. Attempts to modify the temperature usage range of Pb(Zn _1/3Nb _2/3)O ₃-PbTiO ₃ (PZNT) and Pb(Mg _1/3Nb _2/3)O ₃-PbTiO ₃ (PMNT) rhombohedral crystals (T _c ∼ 150-170°C, T _R-T ∼ 60-120°C) using minor dopant modifications were limited, with little success. Of significant potential are crystals near the morphotropic phase boundary in the Pb(Yb _1/2 Nb _1/2)O ₃-PbTiO ₃ (PYNT) system, with a T _c > 330°C, even though T _R-T was found to be only half that value at ∼160°C. Single crystals in the novel BiScO ₃-PbTiO ₃ system offer significantly higher T _cs > 400°C, while exhibiting electromechanical coupling coefficients k ₃₃ > 90% being nearly constant till the T _R-T temperature around 350°C, which greatly increases the temperature range for transducer applications.

Original language	English (US)
Pages (from-to)	564-568
Number of pages	5
Journal	IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control
Volume	52
Issue number	4
DOIs	https://doi.org/10.1109/TUFFC.2005.1428037
State	Published - Apr 2005

All Science Journal Classification (ASJC) codes

Instrumentation
Acoustics and Ultrasonics
Electrical and Electronic Engineering

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10.1109/TUFFC.2005.1428037

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title = "Recent developments in high curie temperature perovskite single crystals",

abstract = "The temperature behavior of various relaxor-PT piezoelectric single crystals was investigated. Owing to a strongly curved morphotropic phase boundary, the usage temperature of these perovskite single crystals is limited by T R-T - the rhombohedral to tetragonal phase transformation temperature - which occurs at significantly lower temperatures than the Curie temperature T C. Attempts to modify the temperature usage range of Pb(Zn 1/3Nb 2/3)O 3-PbTiO 3 (PZNT) and Pb(Mg 1/3Nb 2/3)O 3-PbTiO 3 (PMNT) rhombohedral crystals (T c ∼ 150-170°C, T R-T ∼ 60-120°C) using minor dopant modifications were limited, with little success. Of significant potential are crystals near the morphotropic phase boundary in the Pb(Yb 1/2 Nb 1/2)O 3-PbTiO 3 (PYNT) system, with a T c > 330°C, even though T R-T was found to be only half that value at ∼160°C. Single crystals in the novel BiScO 3-PbTiO 3 system offer significantly higher T cs > 400°C, while exhibiting electromechanical coupling coefficients k 33 > 90\% being nearly constant till the T R-T temperature around 350°C, which greatly increases the temperature range for transducer applications.",

author = "Shujun Zhang and Randall, \{Clive A.\} and Shrout, \{Thomas R.\}",

note = "Funding Information: Manuscript received November 28, 2003; accepted May 10, 2004. This work supported by the National Institutes of Health (NIH) and Office of Naval Research (ONR).",

year = "2005",

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doi = "10.1109/TUFFC.2005.1428037",

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AU - Zhang, Shujun

AU - Randall, Clive A.

AU - Shrout, Thomas R.

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N2 - The temperature behavior of various relaxor-PT piezoelectric single crystals was investigated. Owing to a strongly curved morphotropic phase boundary, the usage temperature of these perovskite single crystals is limited by T R-T - the rhombohedral to tetragonal phase transformation temperature - which occurs at significantly lower temperatures than the Curie temperature T C. Attempts to modify the temperature usage range of Pb(Zn 1/3Nb 2/3)O 3-PbTiO 3 (PZNT) and Pb(Mg 1/3Nb 2/3)O 3-PbTiO 3 (PMNT) rhombohedral crystals (T c ∼ 150-170°C, T R-T ∼ 60-120°C) using minor dopant modifications were limited, with little success. Of significant potential are crystals near the morphotropic phase boundary in the Pb(Yb 1/2 Nb 1/2)O 3-PbTiO 3 (PYNT) system, with a T c > 330°C, even though T R-T was found to be only half that value at ∼160°C. Single crystals in the novel BiScO 3-PbTiO 3 system offer significantly higher T cs > 400°C, while exhibiting electromechanical coupling coefficients k 33 > 90% being nearly constant till the T R-T temperature around 350°C, which greatly increases the temperature range for transducer applications.

AB - The temperature behavior of various relaxor-PT piezoelectric single crystals was investigated. Owing to a strongly curved morphotropic phase boundary, the usage temperature of these perovskite single crystals is limited by T R-T - the rhombohedral to tetragonal phase transformation temperature - which occurs at significantly lower temperatures than the Curie temperature T C. Attempts to modify the temperature usage range of Pb(Zn 1/3Nb 2/3)O 3-PbTiO 3 (PZNT) and Pb(Mg 1/3Nb 2/3)O 3-PbTiO 3 (PMNT) rhombohedral crystals (T c ∼ 150-170°C, T R-T ∼ 60-120°C) using minor dopant modifications were limited, with little success. Of significant potential are crystals near the morphotropic phase boundary in the Pb(Yb 1/2 Nb 1/2)O 3-PbTiO 3 (PYNT) system, with a T c > 330°C, even though T R-T was found to be only half that value at ∼160°C. Single crystals in the novel BiScO 3-PbTiO 3 system offer significantly higher T cs > 400°C, while exhibiting electromechanical coupling coefficients k 33 > 90% being nearly constant till the T R-T temperature around 350°C, which greatly increases the temperature range for transducer applications.

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Recent developments in high curie temperature perovskite single crystals

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