Coexistence of long-ranged magnetic order and superconductivity in the pnictide superconductor SmFeAsO1−xFx (x=0, 0.15)
D. H. Ryan, J. M. Cadogan, C. Ritter, F. Canepa, A. Palenzona, M. Putti
DOI 10.1103/PhysRevB.80.220503 · Physical Review B
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Abstract
Powder neutron-diffraction measurements on both SmFeAsO and the fluorine-doped superconductor, SmFeAsO0.85F0.15, show that the Sm sublattice orders magnetically. In both cases we observe a simple layered antiferromagnetic arrangement of the ∼0.5μB Sm moments. This provides direct evidence that long-ranged magnetic order of the samarium moments coexists with superconductivity in the SmFeAsO1−xFx system.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| SmFeAsO0.85F0.15 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 53.5 | Pressure not reported | onset |
| SmFeAsO1-xFx Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 55 | Pressure not reported | unknown |
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