Large piezoelectric properties in KNN-based lead-free single crystals grown by a seed-free solid-state crystal growth method

Jie Yang; Faqiang Zhang; Qunbao Yang; Zhifu Liu; Yongxiang Li; Yun Liu; Qiming Zhang

doi:10.1063/1.4948642

Large piezoelectric properties in KNN-based lead-free single crystals grown by a seed-free solid-state crystal growth method

Jie Yang, Faqiang Zhang, Qunbao Yang, Zhifu Liu, Yongxiang Li, Yun Liu, Qiming Zhang

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

67 Scopus citations

Abstract

We report lead-free single crystals with a nominal formula of (K_0.45Na_0.55)_0.96Li_0.04NbO₃ grown using a simple low-cost seed-free solid-state crystal growth method (SFSSCG). The crystals thus prepared can reach maximum dimensions of 6 mm × 5 mm × 2 mm and exhibit a large piezoelectric coefficient d₃₃ of 689 pC/N. Moreover, the effective piezoelectric coefficient d 33∗, obtained under a unipolar electric field of 30 kV/cm, can reach 967 pm/V. The large piezoelectric response plus the high Curie temperature (T_C) of 432 °C indicate that SFSSCG is an effective approach to synthesize high-performance lead-free piezoelectric single crystals.

Original language	English (US)
Article number	182904
Journal	Applied Physics Letters
Volume	108
Issue number	18
DOIs	https://doi.org/10.1063/1.4948642
State	Published - May 2 2016

All Science Journal Classification (ASJC) codes

Physics and Astronomy (miscellaneous)

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title = "Large piezoelectric properties in KNN-based lead-free single crystals grown by a seed-free solid-state crystal growth method",

abstract = "We report lead-free single crystals with a nominal formula of (K0.45Na0.55)0.96Li0.04NbO3 grown using a simple low-cost seed-free solid-state crystal growth method (SFSSCG). The crystals thus prepared can reach maximum dimensions of 6 mm × 5 mm × 2 mm and exhibit a large piezoelectric coefficient d33 of 689 pC/N. Moreover, the effective piezoelectric coefficient d 33∗, obtained under a unipolar electric field of 30 kV/cm, can reach 967 pm/V. The large piezoelectric response plus the high Curie temperature (TC) of 432 °C indicate that SFSSCG is an effective approach to synthesize high-performance lead-free piezoelectric single crystals.",

author = "Jie Yang and Faqiang Zhang and Qunbao Yang and Zhifu Liu and Yongxiang Li and Yun Liu and Qiming Zhang",

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T1 - Large piezoelectric properties in KNN-based lead-free single crystals grown by a seed-free solid-state crystal growth method

AU - Yang, Jie

AU - Zhang, Faqiang

AU - Yang, Qunbao

AU - Liu, Zhifu

AU - Li, Yongxiang

AU - Liu, Yun

AU - Zhang, Qiming

PY - 2016/5/2

Y1 - 2016/5/2

N2 - We report lead-free single crystals with a nominal formula of (K0.45Na0.55)0.96Li0.04NbO3 grown using a simple low-cost seed-free solid-state crystal growth method (SFSSCG). The crystals thus prepared can reach maximum dimensions of 6 mm × 5 mm × 2 mm and exhibit a large piezoelectric coefficient d33 of 689 pC/N. Moreover, the effective piezoelectric coefficient d 33∗, obtained under a unipolar electric field of 30 kV/cm, can reach 967 pm/V. The large piezoelectric response plus the high Curie temperature (TC) of 432 °C indicate that SFSSCG is an effective approach to synthesize high-performance lead-free piezoelectric single crystals.

AB - We report lead-free single crystals with a nominal formula of (K0.45Na0.55)0.96Li0.04NbO3 grown using a simple low-cost seed-free solid-state crystal growth method (SFSSCG). The crystals thus prepared can reach maximum dimensions of 6 mm × 5 mm × 2 mm and exhibit a large piezoelectric coefficient d33 of 689 pC/N. Moreover, the effective piezoelectric coefficient d 33∗, obtained under a unipolar electric field of 30 kV/cm, can reach 967 pm/V. The large piezoelectric response plus the high Curie temperature (TC) of 432 °C indicate that SFSSCG is an effective approach to synthesize high-performance lead-free piezoelectric single crystals.

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Large piezoelectric properties in KNN-based lead-free single crystals grown by a seed-free solid-state crystal growth method

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