Abstract
The effect of Fe substitution by Al in Sr2(Fe1-xAlx)MoO6 (0⩽x⩽0.3) doubleperovskites is reported. X-ray diffraction, magnetic measurements andMössbauer spectroscopy have been used in the investigation. Contrary to othersubstitutions in similar compounds, Al increases the cationic order up tox = 0.1 and beyond. This ordering effect is accompanied by an increase in themagnetic moment per Fe atom, but not by corresponding higher Curietemperatures.
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