Magnetic properties of the mixed oxides Sr0.9La0.1Fe0.9Cd0.1O3 − δ and Sr0.75La0.75Fe0.75Cd0.75O4 − δ

We have found that the 77-K magnetization per formula unit of the SrFeO 3 − δ ferrite, Sr 0.9 La 0.1 Fe 0.9 Cd 0.1 O 3 − δ and Sr 0.75 La 0.75 Fe 0.75 Cd 0.75 O 4 − δ mixed oxides, and SrLaFeO 4 compound, calculated per mole of Fe ions, is 0.114μ B , 0.024μ B , 5 × 10 −3 μ B , and 4.3 × 10 −2 μ B ,...

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Bibliographic Details
Published in:Inorganic materials 2014-03, Vol.50 (3), p.285-289
Main Authors: Bashkirov, L. A., Slonskaya, S. V., Lubinskii, N. N., Galyas, A. I., Yanushkevich, K. I., Sirota, I. M.
Format: Article
Language:English
Subjects:
Chemistry
Chemistry and Materials Science
Ferrite
Industrial Chemistry/Chemical Engineering
Inorganic Chemistry
Iron
Magnetic properties
Magnetization
Materials Science
Mathematical analysis
Mixed oxides
Resultants
Solid solutions
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Summary:We have found that the 77-K magnetization per formula unit of the SrFeO 3 − δ ferrite, Sr 0.9 La 0.1 Fe 0.9 Cd 0.1 O 3 − δ and Sr 0.75 La 0.75 Fe 0.75 Cd 0.75 O 4 − δ mixed oxides, and SrLaFeO 4 compound, calculated per mole of Fe ions, is 0.114μ B , 0.024μ B , 5 × 10 −3 μ B , and 4.3 × 10 −2 μ B , respectively. The resultant effective magnetic moment of the Fe 3+ and Fe 4+ ions in the Sr 0.9 La 0.1 Fe 0.9 Cd 0.1 O 3 − δ solid solution in the temperature range 520–850 K is 3.61μ B , and in Sr 0.75 La 0.75 Fe 0.75 Cd 0.75 O 4 − δ and SrLaFeO 4 in the temperature ranges 350–600 and 100–550 K is 5.89μ B and 5.70μ B , respectively.
ISSN:0020-1685
1608-3172
DOI:10.1134/S0020168514030030