1 research outputs found
Features of Barium and Strontium Titanates and Ferrites Synthesized from a Melt in a Solar Furnace
ΠΠ·ΡΡΠ΅Π½Ρ ΡΠ΅Π³Π½Π΅ΡΠΎΠΊΠ΅ΡΠ°ΠΌΠΈΡΠ΅ΡΠΊΠΈΠΉ ΠΌΠ°ΡΠ΅ΡΠΈΠ°Π» Π½Π° Π±Π°Π·Π΅ ΡΠΈΡΠ°Π½Π°ΡΠ° ΠΈ ΠΌΠ°Π³Π½ΠΈΡΠ½ΡΠΉ ΠΌΠ°ΡΠ΅ΡΠΈΠ°Π»
Π½Π° Π±Π°Π·Π΅ ΡΠ΅ΡΡΠΈΡΠ° Π±Π°ΡΠΈΡ ΠΈ ΡΡΡΠΎΠ½ΡΠΈΡ, ΠΏΠΎΠ»ΡΡΠ΅Π½Π½ΡΠ΅ ΠΌΠ΅ΡΠΎΠ΄ΠΎΠΌ ΡΠΈΠ½ΡΠ΅Π·Π° ΠΈΠ· ΡΠ°ΡΠΏΠ»Π°Π²Π° Π½Π° ΡΠΎΠ»Π½Π΅ΡΠ½ΠΎΠΉ ΠΏΠ΅ΡΠΈ.
ΠΡΡΠ²Π»Π΅Π½ Π½Π΅ΠΌΠΎΠ½ΠΎΡΠΎΠ½Π½ΡΠΉ Ρ
Π°ΡΠ°ΠΊΡΠ΅Ρ Π²Π»ΠΈΡΠ½ΠΈΡ Π»Π΅Π³ΠΈΡΠΎΠ²Π°Π½ΠΈΡ ΡΠΈΡΠ°Π½Π°ΡΠ° Π±Π°ΡΠΈΡ ΠΎΠΊΡΠΈΠ΄ΠΎΠΌ ΠΆΠ΅Π»Π΅Π·Π° Fe2O3,
Π·Π°ΠΊΠ»ΡΡΠ°ΡΡΠΈΠΉΡΡ Π² ΡΠ²Π΅Π»ΠΈΡΠ΅Π½ΠΈΠΈ Π΄ΠΈΡΠ»Π΅ΠΊΡΡΠΈΡΠ΅ΡΠΊΠΎΠΉ ΠΏΡΠΎΠ½ΠΈΡΠ°Π΅ΠΌΠΎΡΡΠΈ BaTiO3. ΠΠΏΡΠ΅Π΄Π΅Π»Π΅Π½Π° ΠΎΠΏΡΠΈΠΌΠ°Π»ΡΠ½Π°Ρ
ΠΊΠΎΠ½ΡΠ΅Π½ΡΡΠ°ΡΠΈΡ Π»Π΅Π³ΠΈΡΠΎΠ²Π°Π½ΠΈΡ ΠΎΠΊΡΠΈΠ΄Π° ΠΆΠ΅Π»Π΅Π·Π° β 6 ΠΌΠΎΠ».%, Π·Π° ΠΏΡΠ΅Π²ΡΡΠ΅Π½ΠΈΠ΅ΠΌ ΠΊΠΎΡΠΎΡΠΎΠ³ΠΎ Π½Π°Π±Π»ΡΠ΄Π°Π΅ΡΡΡ
Π½Π°ΡΡΡΠ΅Π½ΠΈΠ΅ ΠΊΡΠΈΠ²ΡΡ
Π·Π°Π²ΠΈΡΠΈΠΌΠΎΡΡΠ΅ΠΉ Π΄ΠΈΡΠ»Π΅ΠΊΡΡΠΈΡΠ΅ΡΠΊΠΈΡ
ΡΠ²ΠΎΠΉΡΡΠ²
ΡΠΈΡΠ°Π½Π°ΡΠ° Π±Π°ΡΠΈΡ. ΠΡΡΠ²Π»Π΅Π½ΠΎ, ΡΡΠΎ
ΡΠ΅ΡΡΠΈΡΡ Π±Π°ΡΠΈΡ ΠΈ ΡΡΡΠΎΠ½ΡΠΈΡ ΠΏΡΠΎΡΠ²Π»ΡΡΡ Π²ΡΡΠΎΠΊΠΎΡΠ΅ΠΌΠΏΠ΅ΡΠ°ΡΡΡΠ½ΡΠ΅ ΠΌΡΠ»ΡΡΠΈΡΠ΅ΡΡΠΎΠΈΠ΄Π½ΡΠ΅ ΡΠ²ΠΎΠΉΡΡΠ²Π°A ferro ceramic material based on titanate and a magnetic material based on barium and strontium ferrite obtained by furnace-based melt synthesis have been studied. A nonmonotonic characteristic feature of doping barium titanate with iron oxide Fe2O3, which consists in constructing the permittivity of BaTiO3, has been revealed. The optimal concentration of doping of iron oxide is determined β 6 mol.%, beyond which saturation of the dependence curves of the dielectric properties of barium titanate is observed. It was revealed that barium and strontium ferrites exhibit high-temperature multiferroic propertie