Crystal Growth and Electric-Field-Induced Strain in Bi0.5Na0.5TiO3 Crystals


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Large Bi0.5Na0.5TiO3 (BNT) single crystals with 10 mm × 10 mm × 5 mm were successfully grown by a flux method using BNT powder and the mixed flux composed of Bi2O3 and NaF. Dielectric measurements show a dielectric-permittivity peak at 310°C, which is the result of the gradual phase transition from rhombohedral (R3c) to tetragonal (P4bm) structure. Electric-field induced strain measurements along [100]C reveal that the effective piezoelectric strain constant (d33 *) was estimated to be 130 pm/V in a multidomain state.



Edited by:

Keiichi Katayama, Kazumi Kato, Tadashi Takenaka, Masasuke Takata and Kazuo Shinozaki






S. Yoshimura et al., "Crystal Growth and Electric-Field-Induced Strain in Bi0.5Na0.5TiO3 Crystals ", Key Engineering Materials, Vol. 320, pp. 35-38, 2006

Online since:

September 2006




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[100] C 1 Hz.

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