Spin resonance in the superconducting state of Li${}_{1-x}$Fe${}_x$ODFe${}_{1-y}$Se observed by neutron spectroscopy

N. R. Davies, M. C. Rahn, H. C. Walker +4

We have performed inelastic neutron scattering measurements on a powder sample of the superconductor lithium iron selenide hydroxide Li${}_{1-x}$Fe${}_x$ODFe${}_{1-y}$Se ($x \simeq 0.1…