X-Ray diffraction data for new ferrites ErMFe2O5 (M = Li, Na, K)

Bulat Kunurovich Kasenov, S. T. Edil’baeva, Е. С. Мустафин, Сергазина Самал Мубараковна, С. Ж. Давренбеков

2007

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DOI 10.1134/s0036023607080037
Data confidence 70 medium
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Abstract

New ferrites ErMFe2O5 (M = Li, Na, K) were synthesized from erbium and iron(III) oxides and lithium, sodium, and potassium carbonates by solid-state annealing. According to X-ray powder diffraction, these compounds crystallize in the orthorhombic system with the following unit cell parameters: ErLiFe2O5, a = 10.510 Å, b = 10.776 Å, c = 14.270 Å, V 0 = 1616.16 Å3; Z = 16, V subcell 0 = 101.01 Å3, ρX = 6.01 g/cm3, ρpycn = 5.97 ± 0.05 g/cm3; ErNaFe2O5, a = 10.519 Å, b = 10.785 Å, c = 15.510 Å, V 0 = 1759.56 Å3, Z = 16, V subcell 0 = 109.90 Å3, ρX = 5.77 g/cm3, ρpycn = 5.72 ± 0.08 g/cm3; ErKFe2O5, a = 10.050 Å, b = 11.320 Å, c = 15.480 Å, V 0 = 1937.33 Å3, Z = 16, V subcell 0 = 121.08 Å3, ρX = 5.46 g/cm3, ρpycn = 5.41 ± 0.04 g/cm3.