Dr. Stephen Taller joined ORNL in 2020 as an Alvin M. Weinberg Fellow in the Nuclear Energy and Fuel Cycle Division. Prior to joining ORNL, he was a postdoctoral fellow at the University of Michigan and completed a Ph.D. in Nuclear Engineering and Radiological Sciences at the University of Michigan in 2020. Stephen Taller has extensive experience in designing, conducting, and analyzing experiments to study radiation damage effects in neutron irradiated and ion irradiated materials, primarily using transmission electron microscopy. Stephen currently serves as a member of several professional and technical committees and as co-chair of ORNL’s PRISM employee resource group.
Recently featured in Nuclear News.
Research Interests
- Optimizing the nuclear structural materials development cycle
- Radiation effects in metals, alloys, and ceramics
- Microstructural characterization of metals and alloys
- Ion irradiation as a surrogate for neutron irradiation
- Advanced alloy development for nuclear applications
- Advanced manufacturing methods for nuclear technology
Publications
Jun, 2026
ORNL Report
ORNL–TERRAPOWER SEMIANNUAL PROGRESS REPORT: PROGRAM STATUS THROUGH APRIL 2026