Norman Mannella Contact mannellan@ornl.gov All Publications Enhanced dopant solubility and visible-light absorption in Cr-N co-doped TiO2 nanoclusters... Orbital symmetry of Ba(Fe1−xCox)2As2 superconductors probed with x-ray absorption spectroscopy... Evidence for three-dimensional Fermi-surface topology of the layered electron-doped iron superconductor Ba(Fe1−xCox)2As2... Evidence for Strong Itinerant Spin Fluctuations in the Normal State of CeFeAsO0.89F0.11...