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

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 0.5BaTiO 3 –0.5SrTiO 3 blended nanocomposite with an average crystallite size of around 100 nm. Magnetic hysteresis...

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Bibliographic Details
Published inBulletin of the Russian Academy of Sciences. Physics Vol. 83; no. 9; pp. 1086 - 1090
Main Authors Tolstykh, N. A., Korotkova, T. N., Jaafari, F. D. Al’, Kashirin, M. A., Fedotova, Yu. A., Yemelyanov, N. A., Korotkov, L. N., Kasyuk, Yu. V.
Format Journal Article
LanguageEnglish
Published Moscow Pleiades Publishing 01.09.2019
Springer Nature B.V
Subjects
Barium titanates
Crystallites
Dielectric properties
Hadrons
Heat treatment
Heavy Ions
Hysteresis loops
Magnetic properties
Magnetism
Nanocomposites
Nanocrystals
Nuclear Physics
Physics
Physics and Astronomy
Strontium titanates
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Summary: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 0.5BaTiO 3 –0.5SrTiO 3 blended nanocomposite with an average crystallite size of around 100 nm. Magnetic hysteresis loops are obtained for BaTiO 3 and SrTiO 3 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.
ISSN:1062-8738
1934-9432
DOI:10.3103/S1062873819090272