Unraveling orbital ordering in La0.5Sr1.5MnO4 |
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Authors: | Dhesi S S Mirone A De Nadaï C Ohresser P Bencok P Brookes N B Reutler P Revcolevschi A Tagliaferri A Toulemonde O van der Laan G |
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Institution: | Diamond Light Source, Chilton, Didcot OX11 0QX, United Kingdom. dhesi@diamond.ac.uk |
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Abstract: | Orbital ordering (OO) in the layered perovskite La0.5Sr1.5MnO4 has been investigated using the enhanced sensitivity of soft x-ray resonant diffraction at the Mn L edges. The energy dependence of an OO diffraction peak over the L(2,3) edges is compared to ligand-field calculations allowing a distinction between the influences of Jahn-Teller distortions and spin correlations. The energy dependence of the diffraction peak at the Mn L1 edge is remarkably different from that observed at the Mn K edge. |
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