Synthesis and IR Spectroscopy of High-Entropy Ceramics with Magnetoplumbite Structure

The BaFe 12– x (Ti,Mn,In,Ga) x O 19 ( 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 BaFe 12– x (Ti,Mn,In,Ga) x O...

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Veröffentlicht in:	Journal of structural chemistry 2023-06, Vol.64 (6), p.1040-1048
Hauptverfasser:	Vinnik, D. A., Zhivulin, V. E., Zykova, A. R., Sherstyuk, D., Punda, A. Yu, Taskaev, S. V., Gurchenko, A. A., Zhukova, E. S., Alyabyeva, L. N., Gorshunov, B. P., Gudkova, S. A., Salakhitdinova, M. K., Sozykin, S. A., Vyatkin, G. P.
Format:	Artikel
Sprache:	eng
Schlagworte:	Atomic Atomic/Molecular Structure and Spectra Barium hexaferrite Chemical composition Chemistry Chemistry and Materials Science Infrared spectroscopy Inorganic Chemistry Magnetic properties Molecular Optical and Plasma Physics Phonons Physical Chemistry Single crystals Solid phase synthesis Solid State Physics Spectra
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Zusammenfassung:	The BaFe 12– x (Ti,Mn,In,Ga) x O 19 ( 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 BaFe 12– x (Ti,Mn,In,Ga) x O 19 ( 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 BaFe 12 O 19 sample.
ISSN:	0022-4766 1573-8779
DOI:	10.1134/S0022476623060070