A Triplet Resonance in Superconducting Fe 1.03 Se 0.4 Te 0.6

Wei Bao, ∗ A. T. Savici, G. E. Granroth, C. Broholm, K. Habicht, Y. Qiu, 6 Jin Hu, Tijiang Liu, and Z.Q. Mao Department of Physics, Renmin University of China, Beijing 100872, China Institute for Quantum Matter and Department of Physics and Astronomy, The Johns Hopkins University, Baltimore, Maryland 21218, USA Neutron Scattering Sciences Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, USA Helmholtz-Zentrum Berlin fur Materialen und Energy, D-14109 Berlin, Germany NIST Center for Neutron Research, National Institute of Standards and Technology, Gaithersburg, MD 20899, USA Department of Materials Science and Engineering, University of Maryland, College Park, MD 20742, USA Department of Physics and Engineering Physics, Tulane University, New Orleans, Louisiana 70118, USA (Dated: February 8, 2010)