Synthesis and X-ray diffraction study of ternary ferrites LaNaMnFeO5 and LaKMnFeO5

Е. С. Мустафин, Bulat Kunurovich Kasenov, O. I. Zharkeshov, M. A. Akubaeva

2006

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DOI 10.1134/s0036023606070035
Data confidence 70 medium
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Abstract

Ferrites LaNaMnFeO5 and LaKMnFeO5 have been synthesized by the ceramic method from lanthanum(III) and iron(III) oxides and sodium and potassium carbonates. The ferrites crystallize in the orthorhombic crystal system with the following lattice parameters: LaNaMnFeO5: a = 10.943 ± 0.002 Å, b = 11.022 ± 0.001 Å, c = 16.165 ± 0.028 Å, V 0 = 1949.72 Å3, Z = 16, V unit cell 0 = 12.1.85 Å3, ρX = 4.83, ρpycn = 4.76 ± 0.09 g/cm3; LaKMnFeO5: a = 10.959 ± 0.011 Å, b = 11.036 ± 0.005 Å, c = 17.825 ± 0.074 Å, V 0 = 2155.81 Å3, Z = 16, V unit cell 0 = 134.74 Å3, ρX = 4.54, ρpycn = 4.46 ± 0.07 g/cm3.