Magnetic and crystal structure determination of Mn2FeSbO6 double perovskite

The perovskite form of the Mn2FeSbO6 oxide has been obtained at 5.5 GPa and 1523 K. X-ray and neutron diffraction data reveal that this compound crystallizes in the monoclinic P21 n space group with a = 0.5234 nm, b = 0.5389 nm, c = 0.7642 nm and β = 90.372° lattice parameters. AC and DC magnetic su...

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Veröffentlicht in:Journal of physics. Condensed matter 2013-05, Vol.25 (20), p.206004-206004
Hauptverfasser: Dos Santos-García, A J, Ritter, C, Solana-Madruga, E, Sáez-Puche, R
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Sprache:eng
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Zusammenfassung:The perovskite form of the Mn2FeSbO6 oxide has been obtained at 5.5 GPa and 1523 K. X-ray and neutron diffraction data reveal that this compound crystallizes in the monoclinic P21 n space group with a = 0.5234 nm, b = 0.5389 nm, c = 0.7642 nm and β = 90.372° lattice parameters. AC and DC magnetic susceptibility measurements suggest the existence of a complex magnetic behavior below 200 K. The magnetic structure has been determined and can be described on the basis of an elliptical spiral with an incommensurate propagation vector, k = [0,0.426,0], where the magnetic moments of 2Mn2+ and Fe3+ cations are confined to the ac-plane.
ISSN:0953-8984
1361-648X
DOI:10.1088/0953-8984/25/20/206004