Coexistence of antiferromagnetic and ferromagnetic orders at remanent state in epitaxial multiferroic Bi2FeCrO6 nanostructures |
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| Authors: | Nechache R Nauenheim C Lanke U Pignolet A Rosei F Ruediger A |
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| Institution: | NAST Center and Department of Chemical Science and Technology, University of Rome Tor Vergata, Via della Ricerca Scientifica 1, I-00133 Rome, Italy. |
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| Abstract: | We report the local electronic and magnetic properties of Bi(2)FeCrO(6) nanostructures by element-specific polarized x-ray techniques. Sizable magnetic ordering in the remanent state is observed at room temperature for both Fe and Cr ions. The Bi(2)FeCrO(6) system offers an example of d(5)-d(3) magnetic superexchange interaction with a magnetic order for both Fe and Cr, which are both formally in the +?3 valence state. The results suggest a coexistence of antiferromagnetic and ferromagnetic superexchange interaction between Fe and Cr spins in the nanostructures at the remanent state and at room temperature. |
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