Switching of intra-orbital spin excitations in electron-doped iron pnictide superconductors

Soshi Iimura, Satoru Matsuishi, Masashi Miyakawa +10

We investigate the doping dependence of the magnetic excitations in two-superconducting-dome-system LaFeAsO1-xDx. Using inelastic neutron scattering, spin fluctuations at different…