Polarized neutron scattering studies of magnetic excitations in iron-selenide superconductor (Li${}_{0.8}$Fe${}_{0.2}$)ODFeSe ($T_c$ = 41 K)

Die Hu, Yu Feng, Jitae T. Park +5

We report polarized neutron scattering measurements of the low energy spin fluctuations of the iron-selenide superconductor Li${}_{0.8}$Fe${}_{0.2}$ODFeSe below and above its supercond…