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Dielectric and Magnetic Properties of Nanocrystal Barium Titanate, Strontium Titanate, and a Blended Nanoсomposite Based on Them

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Bulletin of the Russian Academy of Sciences: Physics Aims and scope


The temperature dependences of the dielectric constant and the intensity of the third harmonics are studied at temperatures of 100–470 K for barium titanate, strontium titanate, and a 0.5BaTiO3–0.5SrTiO3 blended nanocomposite with an average crystallite size of around 100 nm. Magnetic hysteresis loops are obtained for BaTiO3 and SrTiO3 samples whose room-temperature spontaneous magnetizations are comparable in value. The effect thermal treatment has on the magnetic properties of nanocrystalline strontium titanate is discussed. Their spontaneous magnetization is shown to decline as a result of thermal treatment.

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This work was supported by the Russian Foundation for Basic Research, project no. 18-52-00039 Bel_a; and by the Belarus Foundation for Basic Research, agreement no. F18R-242.

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Correspondence to T. N. Korotkova.

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Translated by O. Maslova

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Tolstykh, N.A., Korotkova, T.N., Jaafari, F.D. et al. Dielectric and Magnetic Properties of Nanocrystal Barium Titanate, Strontium Titanate, and a Blended Nanoсomposite Based on Them. Bull. Russ. Acad. Sci. Phys. 83, 1086–1090 (2019).

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