F19NMR investigation of the iron pnictide superconductorLaFeAsO0.89F0.11 Academic Article uri icon

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abstract

  • 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.

authors

  • Ahilan, K
  • Ning, FL
  • Imai, Takashi
  • Sefat, AS
  • Jin, R
  • McGuire, MA
  • Sales, BC
  • Mandrus, D

publication date

  • September 1, 2008