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Diffuse Ferroelectric Phase Transitions in Ba(Ti 1 ‐ y Zr y )O 3 Ceramics
Abstract
Very high and broad Curie maxima are observed in ceramic Ba(Ti1‐yZry)O3 mixed crystals, which are often used for the preparation of ceramic dielectrics. The ferroelectric‐to‐paraelectric phase transition of ceramic Ba(Ti1‐yZry)O3 was studied using dielectric measurements, quantitative DTA, X‐ray diffraction, and determination of the remanent polarization. At higher Zr concentrations, it was found that ferroelectric and paraelectric phases coexist in a wide temperature region. Up toy =0.16, the phase transition remains first order. The diffuse character is promoted by the small energy difference between the ferroelectric and paraelectric phases appearing at higher Zr content. It can be best described by a normal distribution of Curie temperatures using the phenome‐nological theory of Devonshire and the Newton‐Raphson mathematical approximation.
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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
Progress and perspectives in dielectric energy storage ceramics
Li, D., Zeng, X., Li, Z., Shen, Z.-Y., Hao, H., Luo, W., Wang, X., Song, F., Wang, Z., & Li, Y. (2021) · Journal of Advanced Ceramics · doi:10.1007/s40145-021-0500-3 · Cited by 394
Electrical and structural characteristics of lanthanum-doped barium titanate ceramics
Morrison, F. D., Sinclair, D. C., & West, A. R. (1999) · Journal of Applied Physics · doi:10.1063/1.371698 · Cited by 366
Dielectric behavior of Ba(Ti1−xZrx)O3 single crystals
Yu, Z., Guo, R., & Bhalla, A. S. (2000) · Journal of Applied Physics · doi:10.1063/1.373674 · Cited by 281
Metadata
- Authors
- HENNINGS, D., SCHNELL, A., & SIMON, G.
- Venue
- Journal of the American Ceramic Society
- Publisher
- Wiley
- Published
- 1982-11
- Volume
- 65
- Issue
- 11
- Pages
- 539-544
- ISSN
- 0002-7820 (ISSN-L)
- 1551-2916
- OpenAlex
- W2053722534
- Cited by
- 626
- References
- 0
- FWCI
- 1.56
- Type
- journal article
- Language
- en
- Open access
- closed
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- HENNINGS, D., SCHNELL, A., & SIMON, G. (1982). Diffuse Ferroelectric Phase Transitions in Ba(Ti 1 ‐ y Zr y )O 3 Ceramics. Journal of the American Ceramic Society. https://doi.org/10.1111/j.1151-2916.1982.tb10778.x
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