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Diffuse ferroelectric phase transition in SrTiO3-BiScO3 system ceramics

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Abstract

Ceramic samples of the (1−x)SrTiO3-(x)BiScO3 system with x = 0, 0.05, 0.1, 0.2, 0.3, 0.4, and 0.5 have been synthesized for the first time. X-ray diffraction data showed that the samples with x = 0.2, 0.3, and 0.4 at room temperature comprise the mixture of two phases: (i) cubic nonpolar phase with Pm3m structure and (ii) tetragonal polar phase with P4mm structure. The temperature dependences of permittivity and dielectric loss tangent of these samples exhibit anomalies characteristic of ferroelectrics with diffuse phase transitions.

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Authors and Affiliations

  1. Belgorod State University, Belgorod, 308007, Russia

    O. N. Ivanov, E. P. Dan’shina, V. V. Sirota & Yu. S. Tuchina

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  1. O. N. Ivanov
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  2. E. P. Dan’shina
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  3. V. V. Sirota
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  4. Yu. S. Tuchina
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Corresponding author

Correspondence to O. N. Ivanov.

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Original Russian Text © O.N. Ivanov, E.P. Dan’shina, V.V. Sirota, Yu.S. Tuchina, 2010, published in Pis’ma v Zhurnal Tekhnicheskoĭ Fiziki, 2010, Vol. 36, No. 21, pp. 85–92.

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Ivanov, O.N., Dan’shina, E.P., Sirota, V.V. et al. Diffuse ferroelectric phase transition in SrTiO3-BiScO3 system ceramics. Tech. Phys. Lett. 36, 1012–1015 (2010). https://doi.org/10.1134/S106378501011012X

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  • DOI: https://doi.org/10.1134/S106378501011012X

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