Brad Johnson Special Assignment, Nuclear Battery Initiative Contact JOHNSONBR1@ORNL.GOV All Publications Design and Construction of a 75 Watt Electrically Heated BiTe Thermoelectric Generator for Demonstration and Model Validation A Comparison of the Radiation Shielding Requirements of Select Radioisotopes for Potential Use in Radioisotope Power Systems COHERENT constraint on leptophobic dark matter using CsI data Key Links Organizations Isotope Science and Enrichment Directorate Radioisotope Science and Technology Division