Magnetic, dielectric and microwave properties of the BaFe12-xGaxO19 (x ≤ 1.2) solid solutions at room temperature

被引:113
作者
Trukhanov, S. V. [1 ,2 ,3 ]
Trukhanov, A. V. [1 ,2 ,3 ]
Kostishyn, V. G. [1 ]
Panina, L. V. [1 ]
Trukhanov, An. V. [1 ,3 ]
Turchenko, V. A. [4 ,5 ,6 ]
Tishkevich, D. I. [3 ]
Trukhanova, E. L. [1 ,3 ]
Oleynik, V. V. [7 ]
Yakovenko, O. S. [7 ]
Matzui, L. Yu. [7 ]
Vinnik, D. A. [2 ]
机构
[1] Natl Univ Sci & Technol MISiS, Leninskii Av 4, Moscow 119049, Russia
[2] South Ural State Univ, Lab Single Crystal Growth, Lenin Av 76, Chelyabinsk 454080, Russia
[3] Natl Acad Sci Belarus, Sci Pract Mat Res Ctr, P Brovki Str 19, Minsk 220072, BELARUS
[4] Joint Inst Nucl Res, Frank Lab Neutron Phys, Dubna 141980, Moscow Region, Russia
[5] Natl Acad Sci Ukraine, Donetsk Inst Phys & Engn, R Luxembourg Str 72, UA-83114 Donetsk, Ukraine
[6] NAS Ukraine, Donetsk Inst Phys & Technol, Prospect Nauky 46, UA-03680 Kiev, Ukraine
[7] Kiev Natl Univ, Vladimirskaya Str 64-13, UA-01601 Kiev, Ukraine
关键词
Substituted hexaferrites; Magnetic properties; Natural ferromagnetic resonance; Microwave properties; HEXAGONAL FERRITE CERAMICS; ABSORPTION PROPERTIES; MULTIFERROIC PROPERTIES; BARIUM HEXAFERRITE; CRYSTAL-STRUCTURE; BAFE12O19; MICROSTRUCTURE; EVOLUTION; SRFE12O19; LA;
D O I
10.1016/j.jmmm.2017.06.022
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
The BaFe12-xGaxO19 (x = 0.1-1.2) solid solutions of the barium hexagonal ferrite of M-type were synthesized and attested by the powder X-ray diffraction method at 300 K. The unit cell parameters were refined. With increase of substitution level the parameters of unit cell monotonically decrease. These samples were investigated by the vibration magnetometry method. With increase of substitution level the magnetic parameters monotonically decrease. The concentration dependence of the TC Curie temperature as well as the MS spontaneous specific magnetization and the HC coercive force at 300 K is constructed. The microwave properties of the considered samples in the external magnetic bias field were also investigated at 300 K. It is shown that with increase of Ga3+ concentration from x = 0.1 to x = 0.6 the frequency value of the natural ferromagnetic resonance decreases in the beginning, and at further increase in concentration up to x = 1.2 it increases again. With increase in Ga3+ concentration the line width of the natural ferromagnetic resonance increases that indicates the increase of frequency range where there is an intensive absorption of electromagnetic radiation. At the same time the peak amplitude of the resonant curve changes slightly. The frequency shift of the natural ferromagnetic resonance in the external magnetic bias field takes place more intensively for the samples with small Ga3+ concentration. It is shown the prospects of use of the Ga-substituted barium hexagonal ferrite as the material effectively absorbing the high-frequency electromagnetic radiation. (C) 2017 Elsevier B.V. All rights reserved.
引用
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页码:300 / 310
页数:11
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