Electric field induced phase transition and domain structure evolution in (Pb, La)(Zr, Sn, Ti)O3 single crystal

Jinghan Gao, Qiang Li, Yuanyuan Li, Fangping Zhuo, Qingfeng Yan, Wenwu Cao, Xiaoqing Xi, Yiling Zhang, Xiangcheng Chu

Research output: Contribution to journalArticle

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Abstract

Antiferroelectric (Pb, La)(Zr, Sn, Ti)O3 (PLZST) single crystals with composition in the vicinity of morphotropic phase boundary have been grown and studied. From electric measurements, Raman study, and observation of domain structures, we found an electric field induced antiferroelectric to ferroelectric phase transition accompanied with fifteen times of strain difference. After this phase transition, the metastable ferroelectric phase (FEin) is preserved with soften of A1(TO1) mode and increase of long-range force. Coexistence of tetragonal (T) and rhombohedral (R) domains has been observed in virgin sample. Electric field induced T to R phase transition is verified by both extinction angle and domain morphology changes. Clamping "polar" structure formed by the embedded R phase would contribute to increase of long-range force. The remarkable strain difference accompany with induced phase transition makes the PLZST single crystal a promising candidate for electric switch and actuator applications.

Original languageEnglish (US)
Article number072909
JournalApplied Physics Letters
Volume107
Issue number7
DOIs
StatePublished - Aug 17 2015

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electric fields
single crystals
electric switches
extinction
actuators

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy (miscellaneous)

Cite this

Gao, Jinghan ; Li, Qiang ; Li, Yuanyuan ; Zhuo, Fangping ; Yan, Qingfeng ; Cao, Wenwu ; Xi, Xiaoqing ; Zhang, Yiling ; Chu, Xiangcheng. / Electric field induced phase transition and domain structure evolution in (Pb, La)(Zr, Sn, Ti)O3 single crystal. In: Applied Physics Letters. 2015 ; Vol. 107, No. 7.
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Electric field induced phase transition and domain structure evolution in (Pb, La)(Zr, Sn, Ti)O3 single crystal. / Gao, Jinghan; Li, Qiang; Li, Yuanyuan; Zhuo, Fangping; Yan, Qingfeng; Cao, Wenwu; Xi, Xiaoqing; Zhang, Yiling; Chu, Xiangcheng.

In: Applied Physics Letters, Vol. 107, No. 7, 072909, 17.08.2015.

Research output: Contribution to journalArticle

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AU - Gao, Jinghan

AU - Li, Qiang

AU - Li, Yuanyuan

AU - Zhuo, Fangping

AU - Yan, Qingfeng

AU - Cao, Wenwu

AU - Xi, Xiaoqing

AU - Zhang, Yiling

AU - Chu, Xiangcheng

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