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2 515 447

(13)

(51)

IPC

C01G21/00(2006-01-01)

C04B35/472(2006-01-01)

C04B35/497(2006-01-01)

(21) (22)

Application

2011117753/05, 2011-05-05

(24)

Start date

2011-05-05

(22)

Actual filing date

2011-05-05

(45)

Published

2014-05-10

(72)

Inventor

Nesterov Aleksej Anatol'EvichPanich Anatolij Evgen'EvichDolja Vladimir KonstantinovichPanich Aleksandr Anatol'Evich

(73)

Holder

Rossijskaja Federatsija V Litse Ministerstva Obrazovanija I NaukiFederal'Noe Gosudarstvennoe Avtonomnoe Obrazovatel'Noe Uchrezhdenie Vysshego Professional'Nogo Obrazovanija Federal'Nyj Universitet"

METHOD OF OBTAINING POWDERS OF OXYGEN-OCTAHEDRAL TYPE PHASES, WHICH CONTAIN IONS OF LEAD (II) IN POSITION (A) Russian patent published in 2014 - IPC C01G21/00 C04B35/472 C04B35/497

Abstract RU 2515447 C2

FIELD: chemistry.

SUBSTANCE: invention can be applied in semiconductor, piezoelectric and radio-electronic equipment. To obtain powders of titanate, or zirconate, or niobate of lead, or titanate-zirconate of lead from 0.1-0.3M solutions of nitrate complexes of titanium, zirconium, or niobium at pH=8±0.5 hydroxides of titanium, zirconium, niobium or mixed hydroxide of titanium-zirconium are precipitated by 5-10% solution of ammonia at temperature lower 280 °K. Obtained hydroxides are mixed at temperature less than 280 °K with water suspension of lead (II) oxide, than left on 10-20 minutes. After that, successive thermal processing is carried out at temperature approximately 370 °K during 50-60 minutes, than in isothermal conditions for 20-30 minutes.

EFFECT: invention makes it possible to reduce temperature of synthesis and increase piezo-parameters of obtained materials.

3 dwg, 2 tbl, 15 ex

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RU 2 515 447 C2

Authors

Nesterov Aleksej Anatol'Evich

Panich Anatolij Evgen'Evich

Dolja Vladimir Konstantinovich

Panich Aleksandr Anatol'Evich

Dates

2014-05-10—Published

2011-05-05—Filed