Abstract
The solubility of a series of hexaferrite derivatives of BaFe12O19 in solvents of the system Na2O-B2O3 with oxide ratios of 7:3 and 3:2 has been investigated. The temperature dependences of the saturation concentration in these solvents are determined for ferrites with the nominal compositions Ba0.8Pb0.2Fe12O19, BaFe10Ga2O19, BaFe10Al2O19 and BaFe8Mn2 Ti2O19. Single crystals of BaFe12O19, in which part of the metal ions are replaced by various amounts of Pb2+, Ga3+, Al3+ and Mn2+ + Ti4+ ions, are g rown from the solutions by the slow cooling technique. The distribution coefficients of the substituting ions and the compositions of the crystals obtained are established by microprobe analysis (EPMA). Information on the position of substitution is obtained from the Mössbauer spectra.
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