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R. E. Huseynov,A. I. Mammadov,R. Z. Mehdiyeva,A. V. Trukhanov,S. V. Trukhanov,V. A. Turchenko,T. P. Hoang,N.T. Dang,S. H. Jabarov 한국물리학회 2019 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.74 No.6
The influences of Al doping on the structural, magnetic and dynamical properties of BaFe$_{12-x}$Al$_x$O$_{19}$ solid solutions ($x = 0.1$--1.2) have been studied by using a combination of X-ray diffraction, neutron diffraction and infrared spectroscopy. The magnetic moment of every Fe atom, including combinations, has been defined, and the magnetic moment of Fe$^{3+}$ ions was found to decrease as the concentration of Al$^{3+}$ diamagnetic ions in the combinations increased. Studies carried out by using infrared spectroscopy showed that four oscillations under normal conditions in these combinations. The results obtained by using infrared spectroscopy for BaFe$_{12-x}$Al$_x$O$_{19}$ combinations were compared with the results obtained by using Raman spectroscopy.