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arxiv: 0804.4026 · v3 · submitted 2008-04-24 · ❄️ cond-mat.supr-con · cond-mat.str-el

19-F NMR Investigation of Iron-pnictide Superconductor LaFeAsO(0.89)F(0.11)

K. Ahilan , F. L. Ning , T. Imai , A. S. Sefat , R. Jin , M.A. McGuire , B.C. Sales , D. Mandrus This is my paper
classification ❄️ cond-mat.supr-con cond-mat.str-el
keywords investigationlafeasosuperconductorabovebehaviorbelowbroadeningdeduce
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We report 19-F NMR investigation of the new high temperature superconductor LaFeAsO(0.89)F(0.11) (Tc ~ 28K). We demonstrate that low frequency spin fluctuations exhibit pseudo gap behavior above Tc. We also deduce the London penetration depth lambda from NMR line broadening below Tc.

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