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2 592 867

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(51)

IPC

H01F1/00(2006-01-01)

H01F1/08(2006-01-01)

(21) (22)

Application

2015131275/07, 2015-07-27

(24)

Start date

2015-07-27

(22)

Actual filing date

2015-07-27

(45)

Published

2016-07-27

(72)

Inventor

Drokina Tamara VasilevnaPetrakovskij German AntonovichFrejdman Aleksandr LeonidovichMolokeev Maksim SergeevichRezina Elena Gennadevna

(73)

Holder

Federalnoe Gosudarstvennoe Byudzhetnoe Uchrezhdenie Nauki Institut Fiziki Im. L.V. Kirenskogo Sibirskogo Otdeleniya Rossijskoj Akademii Nauk

MAGNETODIELECTRIC OXIDE CERAMIC MATERIAL Russian patent published in 2016 - IPC H01F1/00 H01F1/08

Abstract RU 2592867 C1

FIELD: electrical engineering.

SUBSTANCE: invention relates to electrical engineering, namely, to oxide ceramic material with anisotropic magnetodielectric effect, i.e. to material, dielectric permeability of which can be changed under the action of external magnetic field. Magnetodielectric oxide ceramic material of LiCuFe₂(VO₄)₃composition is obtained by solid-phase synthesis of initial components, at the following ratio, wt%: Li₂CO₃ - 14.93; Fe₂O₃ - 32.26; V₂O₅ - 36.74; CuO - 16.07, at temperature of 650 °C, 680 °C and normal pressure during 2 annealing with duration of 24 hours.

EFFECT: technical result of the invention is higher magnetodielectric effect due to improvement and stability of crystallographic characteristics of the proposed material.

1 cl, 1 dwg, 3 tbl

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RU 2 592 867 C1

Authors

Drokina Tamara Vasilevna

Petrakovskij German Antonovich

Frejdman Aleksandr Leonidovich

Molokeev Maksim Sergeevich

Rezina Elena Gennadevna

Dates

2016-07-27—Published

2015-07-27—Filed