Synthesis and IR Spectroscopy of High-Entropy Ceramics with Magnetoplumbite Structure
Д.А. ВинникMoscow Institute of Physics and Technology, Dolgoprudny, Moscow Oblast, RussiaВ.Е. ЖивулинSouth Ural State University, Chelyabinsk, RussiaА. Р. ЗыковаSouth Ural State University, Chelyabinsk, RussiaD. P. SherstyukSouth Ural State University, Chelyabinsk, RussiaA. Yu. PundaSouth Ural State University, Chelyabinsk, RussiaSergey TaskaevChelyabinsk State University, Chelyabinsk, RussiaА.А. ГурченкоMoscow Institute of Physics and Technology, Dolgoprudny, Moscow Oblast, RussiaE. S. ZhukovaMoscow Institute of Physics and Technology, Dolgoprudny, Moscow Oblast, RussiaLiudmila N. AlyabyevaMoscow Institute of Physics and Technology, Dolgoprudny, Moscow Oblast, RussiaB. P. GorshunovMoscow Institute of Physics and Technology, Dolgoprudny, Moscow Oblast, RussiaS.A. GudkovaMoscow Institute of Physics and Technology, Dolgoprudny, Moscow Oblast, RussiaМ. К. СалахитдиноваSamarkand State University, Samarkand, UzbekistanС. А. СозыкинSouth Ural State University, Chelyabinsk, RussiaG. P. VyatkinSouth Ural State University, Chelyabinsk, Russia
ABI
Abstract
The BaFe12–x(Ti,Mn,In,Ga)xO19(x = 1, x = 7) HEOs are prepared by a solid-phase synthesis. Correlations between the chemical composition (degree of Fe substitution), structural parameters, and magnetic characteristics are studied. Magnetic characteristics of the BaFe12–x(Ti,Mn,In,Ga)xO19 (x = 1, x = 7) HEOs are studied in a wide range of fields and temperatures. The measured IR reflectance spectra of the samples contain features caused by phonon vibrations. The dependence of characteristics of phonon lines on the concentration x is qualitatively analyzed; the obtained spectra are compared with those of a single-crystal BaFe12O19 sample.
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