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 0.5B Sm moments. This provides direct evidence that long-ranged magnetic order of the samarium moments coexists with superconductivity in the SmFeAsO1−xFx system.
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Titolo: | Coexistence of long-ranged magnetic order and superconductivity in the pnictide superconductor SmFeAsO(1-x)F(x) (x=0, 0.15) |
Autori: | |
Data di pubblicazione: | 2009 |
Rivista: | |
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 0.5B Sm moments. This provides direct evidence that long-ranged magnetic order of the samarium moments coexists with superconductivity in the SmFeAsO1−xFx system. |
Handle: | http://hdl.handle.net/11567/275894 |
Appare nelle tipologie: | 01.01 - Articolo su rivista |
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