STRUCTURE OF SPAN-80 ACTIVATED DOUBLE PEROVSKITE SYSTEM La2Co1-xFexMnO6 (x = 0.00, 0.01, 0.02, 0.03)

Pham The Tan

Abstract


We report the structure and the magnetic behaviors of the Fe-doped La2Co1-xFexMnO6 family of compounds at low doping concentrations x ≤ 3 %. The substitution of Fe into the Co site induced the increase in ferromagnetism at the cost of TC. The small doping of Fe in          La2Co1-xFexMnO6 (£ 3 %) led to the slight changes in the lattice constants but the symmetry of the lattice remained unchanged (Pnma). The doping also reduced TC for both transitions at around 215 K and 130 K which attribute for the different spin orderings of the magnetic ions.

 


Keywords


double perovskite, structure.

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DOI: https://doi.org/10.15625/2525-2518/54/5A/12076 Display counter: Abstract : 96 views. PDF : 102 views.

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Published by Vietnam Academy of Science and Technology