Physics of the Solid State
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Effect of acceptor doping on the dielectric properties of sodium niobate ceramics
Barabanova E. V.
1, Ospelnikov N.M.
1, Ivanova A. I.
1, Karpenkov A. Yu.
1
1
Email: pechenkin_kat@mail.ru
The search for new functional materials is inextricably linked with modification of the properties of already known materials with optimal parameters. Thus, sodium niobate is used as a basis for complex lead-free ferroelectric oxides. This work is devoted to the study of the structure and dielectric properties of sodium niobate ceramics doped with Bi and Fe in concentrations of 10, 20 and 30 mol.%, in a wide range of frequencies (1-106 Hz) and temperatures (30-650 oC). It was found that with an increase in the impurity concentration, the average grain size decreases from 5-10 μm to 0.5-2 μm, the heterogeneity of the microstructure increases, and the grain shape becomes closer to cubic. At the same time, the volume of the unit cell increases with an unchanged symmetry of the crystal lattice ( Pmc2 1). The method of dielectric spectroscopy revealed the presence of two relaxation processes corresponding to ionic thermal polarization and conductivity relaxation, which affects the temperature dependence of the permittivity. The doping leads to an increase in the temperature region of phase transitions and a shift of Tm by approximately 150 oC to lower temperatures. Keywords: sodium niobate, heterovalent doping, perovskite structure, electrical conductivity, diffuse phase transition.
- H.D. Megaw. Ferroelectrics 7, 1, 87 (1974)
- L.A. Reznichenko, L.A. Shilkina, E.S. Gagarina, I.P. Raevskii, E.A. Dul'kin, E.M. Kuznetsova, V.V. Akhnazarova. Crystallogr. Rep. 48, 3, 448 (2003)
- R.A. Shakhovoy, S.I. Raevskaya, L.A. Shakhovaya, D.V. Suzdalev, I.P. Raevski, Yu.I. Yuzyuk, A.F. Semenchev, M. El Marssi. J. Raman Spectrosc. 43, 1141 (2012)
- L.E. Cross, B.J. Nicholson. Philos. Mag. 46, 376, 453 (1955)
- J.G. Wu, D.Q. Xiao, J.G. Zhu. Chem. Rev. 115, 7, 2559 (2015)
- Yu.I. Yuzyuk, P. Simon, E. Gagarina, L. Hennet, D. Thiaudi\`ere, V.I. Torgashev, S.I. Raevskaya, I.P. Raevskii, L.A. Reznitchenko, J.L. Sauvajol. J. Phys.: Condensed Matter 17, 33, 4977 (2005)
- J. Koruza, P. Groszewicz, H. Breitzke, G. Buntkowsky, T. Rojac, B. Malivc. Acta Materialia 126, 77 (2017)
- J. Koruza, J. Tellier, B. Malivc, V. Bobnar, M. Kosec. J. Appl. Phys. 108, 113509 (2010)
- Y. Fan, Z. Zhou, R. Liang, M. Zhou, X. Dong. J. European Cer. Soc. 39, 15, 4712 (2019)
- D. Kaneria, D. Yadav, U. Jamwal, S.K. Mittal, K.L. Yadav. J. Power Sources 613, 234948 (2024)
- B.K. Yun, Y.K. Park, P.G. Kang, J.H. Jung, N. Lee, W. Jo, H. Shin, S. Yoon. Mat. Sci. and Engin. B 182, 81 (2014)
- Tania, S. Chaudhary, S. Jindal. Interactions 245, 143 (2024)
- L. Lu, L. Li, P. Ren, X. Che, G. Zhao. Ceram. Intern. 48, 32073 (2022)
- E.V. Barabanova, A.I. Ivanova, O.V. Malyshkina, E.S. Tesnikova, M.S. Vahrushev. Ferroelectrics 559, 1, 22 (2020)
- P. Vlazan, M. Poienar, I. Malaescu, C.N. Marin, C. Casut, P. Sfirloaga Chem. Phys. 579, 112203 (2024)
- P. Villars (Chief Editor), pauling file in: Inorganic Solid Phases, SpringerMaterials (online database), Springer, Heidelberg (2016)
- A.K. Jonscher. J. mater. Sci. 26, 1618 (1991)
- J.J. Fontanella, J.J. Wilson, M.K. Smith, M.C. Wintersgill, C.S. Coughlin, P. Mazaud, S.G. Greenbaum, R.L. Siddon. Solid State Ionics 50, 259 (1992)
- N.G. McCrum, B.E. Read, and G. Williams. Anelastic and dielectric effects in polymeric solids. John Wiley and Sons Ltd., London. (1967). 617 p
- A.K. Jonscher. Dielectric relaxation in solids. Chelsea Dielectrics Press., London. (1983). 380 p
- S. Havriliak, S. Negami. J. Polym. sci. C. 14, 99 (1966)
- P. Vlazan, S.F. Rus, M. Poienar, P. Sfi rloaga. Mat. Sci. Semicon. Proc. 102, 104602 (2019)
- Y. Saito, H. Takao, T. Tani, T. Nonoyama, K. Takatori, T. Homma, T. Nagaya, M. Nakamura. Nature 432, 84 (2004)
- E.A. Wood. Acta Cryst. 4, 4, 353 (1951)
- N.M. Ospelnikov. E.V. Barabanova. Izvestiya RAN. Seriya fizicheskaya 87, 4, 546 (2023). (in Russian)
- K. Uchino, S. Nomura. Ferroelectrics 44, 1, 55 (1982)
- H. Du, W. Zhou, F. Luo. et al. J. Appl. Phys. 105, 12 (2009)
- L.S. Garca-Coln, L.F. del Castillo, P. Goldstein. Phys. Rev. B 41, 4785 (1990)
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