On the Role of Influence Dopants on Structure and Properties of Magnesium−Zinc Ferrite
https://doi.org/10.17073/1609-3577-2015-2-110-117
Abstract
Promising absorbing materials along with Ni−Zn−ferrites are Mg—Zn−ferrites, as they are also intensively absorb electromagnetic waves in the frequency range from 50 MHz to 1000 MHz. The main advantage of the Mg−Zn−ferrite is that it is an inexpensive raw material magnesium oxide. The aim of this work was to study the effect of alloying elements — TiO2 and Bi2O3, — as well as impurities on the microstructure and properties of radar Mg—Zn−ferrite. The influence of alloying elements and impurities on the magnetic and dielectric constant of Mg—Zn−ferrite absorbing materials has been revealed. The addition of bismuth oxide causes a reduction of the permittivity and permeability Mg—Zn−ferrite in the range of up to 1000 MHz. Addition of titanium oxide increases the dielectric constant in the range of up to 1000 MHz, which is important to reduce the wavelength of radar ferrite materials. Addition of titanium oxide leads to a frequency shift of the absorption Mg—Zn−polycrystalline ferrite material towards lower frequencies, and bismuth — towards high frequencies.
Thus, the dopant can be regarded as a tool to regulate the wavelength range of the absorption of radar and ferrite materials.
About the Authors
V. G. Andreev
Kuznetsk Institute of Information and Administrative Technologies
Russian Federation
Russian Federation
Dr. Sci. (Eng.), Professor,
57a Mayakovsky Str. , Kuznetsk, Penza Region 442530
S. B. Men’shova
Kuznetsk Institute of Information and Administrative Technologies
Russian Federation
Russian Federation
Cand. Sci. (Eng.), Researcher,
57a Mayakovsky Str. , Kuznetsk, Penza Region 442530
V. G. Kostishyn
National University of Science and Technology «MISiS»
Russian Federation
Russian Federation
Dr. Sci. (Phys.–Math.), Head of Department,
4 Leninskiy Prospekt, Moscow 119991
D. N. Chitanov
National University of Science and Technology «MISiS»
Russian Federation
Russian Federation
Cand. Sci. (Phys.−Math.), Head of Laboratory,
4 Leninskiy Prospekt, Moscow 119991
A. Yu. Kirina
Kuznetsk Institute of Information and Administrative Technologies
Russian Federation
Russian Federation
Engineer,
57a Mayakovsky Str. , Kuznetsk, Penza Region 442530
S. B. Bibikov
Emanuel Institute of Biochemical Physics of RAS
Russian Federation
Russian Federation
Cand. Sci. (Phys.−Math.), Head of Laboratory,
4 Kosygin Str, Moscow 119334
M. V. Prokof’ev
Moscow Aviation Institute (National Research University)
Russian Federation
Russian Federation
Cand. Sci. (Chem.), Associate Professor,
4 Volokolamsk Highway, Moscow 125871
V. M. Prokhorov
Federal state budgetary institution «Technological institute for superhard and novel carbon materials»
Russian Federation
7a Tsentralnaya Str., Troitsk, Moscow 142190
Russian Federation
7a Tsentralnaya Str., Troitsk, Moscow 142190
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Review
For citations:
Andreev V.G., Men’shova S.B., Kostishyn V.G., Chitanov D.N., Kirina A.Yu., Bibikov S.B., Prokof’ev M.V., Prokhorov V.M. On the Role of Influence Dopants on Structure and Properties of Magnesium−Zinc Ferrite. Izvestiya Vysshikh Uchebnykh Zavedenii. Materialy Elektronnoi Tekhniki = Materials of Electronics Engineering. 2015;18(2):110-117. (In Russ.) https://doi.org/10.17073/1609-3577-2015-2-110-117
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