Katherine R Johnson R&D Associate - Radiochemist Contact johnsonkr@ornl.gov | 865.341.0749 All Publications Ligand design in lanthanide complexes for luminescence, therapy, and sensing Scaled up Process Report – Apparatus and Model... Be2C synthesis, properties, and ion-beam irradiation damage characterization On-line Measurement of Hydrogen Gas using Raman Spectroscopy for Process Gas Systems Size Selective Ligand Tug of War Strategy to Separate Rare Earth Elements Advancing Rare-Earth Separation by Machine Learning... ORNL PRODUCTION OF IODINE BEARING WASTEFORMS... Guanidinium-Based Ionic Covalent-Organic Nanosheets for Sequestration of Cr(VI) and As(V) Oxoanions in Water Aminopolycarboxylates in trivalent f-element separations... Key Links ORCID Organizations Fusion and Fission Energy and Science Directorate Nuclear Energy and Fuel Cycle Division Integrated Fuel Cycle Section Fuel Cycle Chemical Technology Group