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.
Cite
CITATION STYLE
Yang, J., Zhang, F., Yang, Q., Liu, Z., Li, Y., Liu, Y., & Zhang, Q. (2016). Large piezoelectric properties in KNN-based lead-free single crystals grown by a seed-free solid-state crystal growth method. Applied Physics Letters, 108(18). https://doi.org/10.1063/1.4948642
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