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Strong correlation effects in the electronic structure of Sr2FeMoO6

Ray, Sugata and Mahadevan, Priya and Kumar, Ashwani and Sarma, DD and Cimino, R and Pedio, M and Ferrari, L and Pesci, A (2003) Strong correlation effects in the electronic structure of Sr2FeMoO6. In: Physical Review B (Condensed Matter and Materials Physics), 67 . 085109-1-6.


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We investigate the electronic structure of Sr2FeMoO6 combining photoemission spectroscopy with a wide range of photon energies and electronic structure calculations based on first-principle as well as model Hamiltonian approaches to reveal several interesting aspects. We find evidence for unusually strong Coulomb correlation effects both in the Fe 3d and O 2p states, with an enhanced manifestation in the majority spin channel. Additionally, O 2p states exhibit a spin splitting of nonmagnetic origin, which nevertheless is likely to have a subtle influence on the stability of the ferromagnetism of this compound.

Item Type: Journal Article
Additional Information: Copyright for this article belongs to American Physical Society (APS)
Department/Centre: Division of Chemical Sciences > Solid State & Structural Chemistry Unit
Depositing User: L.Kaini Mahemei
Date Deposited: 09 Sep 2004
Last Modified: 19 Sep 2010 04:16
URI: http://eprints.iisc.ac.in/id/eprint/2042

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