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Kasenov B.K.,Phytochemistry Research and Production Center Joint Stock Company | Mustafin E.S.,Phytochemistry Research and Production Center Joint Stock Company | Akubaeva M.A.,Phytochemistry Research and Production Center Joint Stock Company | Edil'Baeva S.T.,Phytochemistry Research and Production Center Joint Stock Company | And 3 more authors.
Russian Journal of Inorganic Chemistry | Year: 2010

Manganites DyM 3 I Mg3Mn4O 12 and DyM 3 I Ba3Mn 4O12 (MI = Li, Na, K) were synthesized by the solid-state reaction of dysprosium and manganese(III) oxides and magnesium and corresponding alkali metal carbonates. The X-ray powder diffraction studies showed that the crystals are orthozhombic with the following unit cell parameters and densities: DyLi3Mg3Mn4O 12-a = 10.88 Å, b = 10.73 Å, c = 19.63 Å, V 0 = 1656.2 Å3, Z = 8, ρcalc = 5.36 g/cm3, ρpycn = 5.11 ± 0.05 g/cm3; DyNaMg3Mn4O12-a = 10.55 Å, b = 10.72 Å, c = 18.28 Å, V 0 = 2067.4 Å3, Z = 8, ρcalc = 4.60 g/cm3, ρpycn = 4.88 ± 0.09 g/cm3; DyK3Mg3Mn 4O12-a = 10.56 Å, b = 10.72 Å, c = 20.89 Å, V 0 = 2206.0 Å3, Z = 8, ρcalc = 4.60 g/cm3, ρpycn = 4.92 ± 0.06 g/cm3; DyLi3Ba3Mn 4O12-a = 10.53 Å, b = 10.69 Å, c = 21.28 Å, V 0 = 2395.4 Å3, Z = 8, ρcalc = 5.58 g/cm3, ρpycn = 5.98 ± 0.12 g/cm3; DyNa3Ba3Mn 4O12-a = 10.53 Å, b = 10.74 Å, c = 23.00 Å, V 0 = 2602.3 Å3, Z = 8, ρcalc = 5.39 g/cm3, ρpycn = 5.30 ± 0.07 g/cm3; DyK3Ba3Mn 4O12-a = 10.52 Å, b = 10.75 Å, c = 25.69 Å, V 0 = 2905.2 Å3, Z = 8, ρcalc = 5.04 g/cm3, ρpycn = 5.00 ± 0.18 g/cm3. © 2010 Pleiades Publishing, Ltd. Source

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