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Spin anisotropy of the resonance in superconducting FeSe0.5Te0.5

Abstract:

We have used polarized-neutron inelastic scattering to resolve the spin fluctuations in superconducting FeSe0.5Te0.5 into components parallel and perpendicular to the layers. A spin resonance at an energy of 6.5 meV is observed to develop below T_c in both fluctuation components. The resonance peak is anisotropic, with the in-plane component slightly larger than the out-of-plane component. Away from the resonance peak the magnetic fluctuations are isotropic in the energy range studied. The re...

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Publication status:
Published

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Publisher copy:
10.1103/PhysRevB.83.180506

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Journal:
Phys. Rev. B
Volume:
83
Issue:
18
Pages:
180506
Publication date:
2010-10-29
DOI:
EISSN:
1550-235X
ISSN:
1098-0121
Source identifiers:
151316
Keywords:
Pubs id:
pubs:151316
UUID:
uuid:6e7e821b-5090-4df2-a6e9-f9e742c170a0
Local pid:
pubs:151316
Deposit date:
2012-12-19

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