Neutron Scattering Experiment on Magnetic Field Effect in Under-doped Superconducting BaFe$_{1.915}$Ni$_{0.085}$As$_{2}$

ORAL

Abstract

In under-doped BaFe$_{2-X}$(Ni,Co)$_{X}$As$_{2}$, superconductivity coexist with the anti-ferromagnetic (AFM) order. By applying a $\sim $10 Tesla magnetic field parallel to a-b plan, we performed a series of elastic and inelastic neutron scattering measurement on BT-7 instrument in NCNR, NIST. We measured how magnetic bragg-peaks and spin excitation in BaFe$_{1.915}$Ni$_{0.085}$As$_{2}$ will change upon the change of the field.

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Authors

  • Miaoyin Wang

    • University of Tennessee, Physics Dept
    • Department of Physics and Astronomy, University of Tennessee, Knoxville

  • Pengcheng Dai

    • Department of Physics and Astronomy, University of Tennessee, Knoxville

  • Meng Wang

    • Institute of Physics, Chinese Academy of Sciences

  • Huiqian Luo

    • Institute of Physics, Chinese Academy of Sciences

  • Jeffrey Lynn

    • NIST Center for Neutron Research, National Institute of Standards and Technology

  • Sung Chang

    • NIST Center for Neutron Research, National Institute of Standards and Technology

  • Songxue Chi

    • NIST Center for Neutron Research, National Institute of Standards and Technology

  • Deepak Singh

    • NIST Center for Neutron Research, National Institute of Standards and Technology

  • Jose Rodriguez

    • NIST Center for Neutron Research, National Institute of Standards and Technology