Dielectric, Ferroelectric and Piezoelectric Properties of Barium Titanate and Bismuth Potassium Titanate Solid-Solution Ceramics
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Dielectric, ferroelectric and piezoelectric properties of barium titanate, BaTiO3-based solid solution, (1-x)BaTiO3-x(Bi1/2K1/2)TiO3 (BTBK100x) were studied as a lead-free piezoelectric material. Curie temperature, Tc, of the BTBK100x ceramics shifted to higher temperature with increasing the amount (x) of (Bi1/2K1/2)TiO3 and the Tc at x=0.2 was higher than 200°C. Electromechanical coupling factor, k33, and piezoelectric constant, d33, of BTBK20+MnCO3 (0.1 wt%) were 0.33 and 54.6 pC/N, respectively.
- 公益社団法人 日本セラミックス協会の論文
公益社団法人 日本セラミックス協会 | 論文
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