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(Bi1/2Na1/2)TiO3-BaTiO3 System for Lead-Free Piezoelectric Ceramics
Open accessAbstract
One of the (Bi 1/2 Na 1/2)TiO 3 (BNT)-based solid solutions, Ba-modified bismuth sodium titanate, (Bi 1/2 Na 1/2)1-x Ba x TiO 3 (BNBT), is studied for its dielectric and piezoelectric properties as a new group of lead-free piezoelectric ceramics. A rhombohedral (F α)-tetragonal (F β) morphotropic phase boundary (MPB) is shown to exist at x=0.06∼0.07 by X-ray data, and dielectric and piezoelectric properties. BNBT ceramics with the MPB composition are superior as piezoelectric ceramics in high-frequency ultrasonic applications or as piezoelectric actuator materials because of a lower free permittivity, ε 33 T/ε 0, and a high electromechanical coupling factor, k t or k 33, along with high mechanical strength.
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Cited by
BaTiO3-Based Piezoelectrics: Fundamentals, Current Status, and Perspectives
Acosta, M., Novak, N., Rojas, V., Patel, S., Vaish, R., Koruza, J., Rossetti, G. A., & Rödel, J. (2017) · Applied Physics Reviews · doi:10.1063/1.4990046 · Cited by 1,451
Jo, W., Dittmer, R., Acosta, M., Zang, J., Groh, C., Sapper, E., Wang, K., & Rödel, J. (2012) · Journal of Electroceramics · doi:10.1007/s10832-012-9742-3 · Cited by 964
Processing and Piezoelectric Properties of Lead‐Free (K,Na) (Nb,Ta) O 3 Ceramics
Matsubara, M., Yamaguchi, T., Sakamoto, W., Kikuta, K., Yogo, T., & Hirano, S. (2005) · Journal of the American Ceramic Society · doi:10.1111/j.1551-2916.2005.00229.x · Cited by 445
Metadata
- Authors
- Takenaka, T., Kei-ichi Maruyama, K.-I. M., & Koichiro Sakata, K. S.
- Venue
- Japanese Journal of Applied Physics
- Publisher
- IOP Publishing
- Published
- 1991-09-01
- Volume
- 30
- Issue
- 9S
- Pages
- 2236
- ISSN
- 0021-4922 (ISSN-L)
- 1347-4065
- OpenAlex
- W2242792403
- Cited by
- 2,150
- References
- 0
- FWCI
- 1.50
- Type
- journal article
- Language
- en
- Open access
- bronze
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- CoChat. (2026). Citation check: (Bi1/2Na1/2)TiO3-BaTiO3 System for Lead-Free Piezoelectric Ceramics. https://app.cochat.ai/papers/10.1143/jjap.30.2236
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- Takenaka, T., Kei-ichi Maruyama, K.-I. M., & Koichiro Sakata, K. S. (1991). (Bi1/2Na1/2)TiO3-BaTiO3 System for Lead-Free Piezoelectric Ceramics. Japanese Journal of Applied Physics. https://doi.org/10.1143/jjap.30.2236
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