Sarma, D. D. ; Mahadevan, Priya ; Saha-Dasgupta, T. ; Ray, Sugata ; Kumar, Ashwani (2000) Electronic structure of Sr2FeMoO6 Physical Review Letters, 85 (12). pp. 2549-2552. ISSN 0031-9007
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Official URL: http://prl.aps.org/abstract/PRL/v85/i12/p2549_1
Related URL: http://dx.doi.org/10.1103/PhysRevLett.85.2549
Abstract
We have analyzed the unusual electronic structure of Sr2FeMoO6 combining ab initio and model Hamiltonian approaches. Our results indicate that there are strong enhancements of the intra-atomic exchange strength at the Mo site as well as the antiferromagnetic coupling strength between Fe and Mo sites. We discuss the possibility of a negative effective Coulomb correlation strength (Ueff) at the Mo site due to these renormalized interaction strengths.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to The American Physical Society. |
| ID Code: | 46215 |
| Deposited On: | 02 Jul 2011 13:54 |
| Last Modified: | 16 Nov 2011 14:43 |
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