Abstract
Features are studied of the phase formation, structural parameters, microstructure, and dielectric and ferroelectric properties of non-stoichiometric (Na0.5 + xBi0.5)TiO3 ceramics with x = 0–0.1. The investigated samples exhibit ferroelectric phase-transition behavior as anomalies and peaks in dielectric permittivity near 400 and 600 K, respectively. Study of the second harmonic generation shows that phase transitions near 400 K exhibit relaxor-type behavior, indicating there are polar regions in the nonpolar matrix. An increase in the Na/Bi ratio in the initial compositions improves the dielectric and ferroelectric properties of the ceramics.
Similar content being viewed by others
References
Zhang, S.J., Xia, R., and Shrout, R.T., J. Electroceram., 2007, vol. 19, p.251.
Takenaka, T., Nagata, H., and Hiruma, Y., Jpn. J. Appl. Phys., 2008, vol. 47, p. 3787.
Panda, P.K., J. Mater. Sci., 2009, vol. 44, p. 5049.
Gupta, V., Sharma, M., and Thakur, N., J. Intell. Mater. Syst. Struct., 2010, vol. 21, p. 1227.
Rodel, J., et al., J. Eur. Ceram. Soc., 2015, vol. 35, p. 1659.
Smolenskii, G.A., et al., Fiz. Tverd. Tela, 1961, vol. 2, p. 2651.
Vakhrushev, S.B., et al., Ferroelectrics, 1985, vol. 63, p.153.
Jones, G.O. and Thomas, P.A., Acta Crystallogr. Sect. B, 2002, vol. 58, p.168.
Dorcet, V., Trolliard, G., and Boullay, P., Chem. Mater., 2008, vol. 20, p. 5061.
Tan, X., et al., J. Am. Ceram. Soc., 2011, vol. 94, p. 4091.
Sung, Y.S., et al., Appl. Phys. Lett., 2010, vol. 96, p. 022901.
Shvartsman, V.V. and Lupascu, D.C., J. Am. Ceram. Soc., 2012, vol. 95, p.1.
Li, M., et al., Chem. Mater., 2015, vol. 27, p.629.
Kleemann, W., Int. J. Mod. Phys. B, 1993, vol. 7, p. 2469.
Author information
Authors and Affiliations
Corresponding author
Additional information
Original Russian Text © E.D. Politova, D.A. Strebkov, A.V. Mosunov, N.V. Golubko, G.M. Kaleva, N.V. Sadovskaya, S.Yu. Stefanovich, 2018, published in Izvestiya Rossiiskoi Akademii Nauk, Seriya Fizicheskaya, 2018, Vol. 82, No. 3, pp. 312–315.
About this article
Cite this article
Politova, E.D., Strebkov, D.A., Mosunov, A.V. et al. Ferroelectric Phase Transitions in Non-Stoichiometric Sodium-Bismuth Titanate Ceramics. Bull. Russ. Acad. Sci. Phys. 82, 269–272 (2018). https://doi.org/10.3103/S106287381803019X
Published:
Issue Date:
DOI: https://doi.org/10.3103/S106287381803019X