Dielectric Properties of Mixed BaTiO3–SrTiO3 Nanocomposites

The dielectric properties of mixed (1 – x )BaTiO 3 – x SrTiO 3 nanocomposites ( x = 0.0; 0.25, 0.50, 0.75, and 1.00), obtained by sintering their initial components for 5 h at a temperature of 1273 K, are studied in the 100–500 K range of temperatures. X-ray analysis performed at room temperature sh...

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Published inBulletin of the Russian Academy of Sciences. Physics Vol. 87; no. 9; pp. 1302 - 1307
Main Authors Al Jaafari, F. M. D., Korotkov, L. N., Tolstykh, N. A., Emelianov, N. A., Pankova, M. A., Popov, S. V.
Format Journal Article
LanguageEnglish
Published Moscow Pleiades Publishing 01.09.2023
Springer Nature B.V
Subjects
Barium titanates
Crystallites
Dielectric properties
Hadrons
Heavy Ions
Nanocomposites
Nuclear Physics
Phase transitions
Physics
Physics and Astronomy
Room temperature
Solid solutions
Strontium titanates
X ray analysis
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Summary:The dielectric properties of mixed (1 – x )BaTiO 3 – x SrTiO 3 nanocomposites ( x = 0.0; 0.25, 0.50, 0.75, and 1.00), obtained by sintering their initial components for 5 h at a temperature of 1273 K, are studied in the 100–500 K range of temperatures. X-ray analysis performed at room temperature shows the composites are formed by BaTiO 3 ( P 4 mm ) and SrTiO 3 ( Pm– 3 m ) crystallites and contain no Ba (1 – x ) Sr x TiO 3 solid solutions. A drop in the temperatures of Amm 2 → P 4 mm → Pm –3 m phase transitions is recorded in barium titanate particles upon raising the concentration of SrTiO 3 in the composite.
ISSN:1062-8738
1934-9432
DOI:10.3103/S1062873823703197