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John W. Freiderich is an applied technology scientist at the Y-12 National Security Complex. He specializes in the advanced processing of non-radiological and nuclear materials. His scientific areas of expertise include electrochemistry, ionic liquids/molten salts, aqueous solution chemistry, and various spectroscopic methods. Freiderich has developed and patented technologies related to the improvement of consumer-relevant materials and processes during his tenure. These technologies include rare earth extractive metallurgy, mineral electrowinning, high-throughput molten salt reactor material production, advanced sensor development, and electroplating methods. He holds a Ph.D. in radiochemistry from Washington State University and a B.S. in chemistry from Minnesota State University.
The Y-12 National Security Complex in Oak Ridge, Tennessee, is one of six production facilities in the National Nuclear Security Administration's (NNSA's) Nuclear Security Enterprise (NSE). Y-12’s unique emphasis is the processing and storage of uranium and development of technologies associated with those activities. Decades of precision machining experience make Y-12 a production facility with capabilities unequaled nationwide.
Y-12 helps ensure a safe and effective U.S. nuclear weapons deterrent. We also retrieve and store nuclear materials, fuel the nation’s naval reactors, and perform complementary work for other government and private-sector entities.
Since 1943, Y-12 has played a key role in strengthening our country’s national security and reducing the global threat from weapons of mass destruction. Y-12 has evolved to become the complex the nation looks to for support in protecting America's future, developing innovative solutions in manufacturing technologies, prototyping, safeguards and security, technical computing and environmental stewardship.
In meeting the country’s evolving nuclear security needs, Y-12 has developed unique skills and acquired a wealth of experience that benefit the nation and world. Expertise in science-based product evaluation, materials science, precision manufacturing, applied manufacturing technology, nuclear nonproliferation, data-driven operations management, and the handling of nuclear materials has spurred scientific research and sparked innovation.
Consolidated Nuclear Security, LLC manages and operates the facility along with the Pantex Plant in Texas under a single contract from the U.S. Department of Energy/NNSA.
Matthew Kramer has been Division Director for Materials Sciences and Engineering (DMSE) since 2014. He is also an adjunct professor of Materials Science and Engineering at Iowa State University. As DMSE director, Kramer oversees budgets, proposal preparation, Materials Preparation Center administration, and Sensitive Instrument Facility oversight. DMSE includes 13 FWPs (BES funded), EFRC CATS, approximately 13 additional DOE funded projects, and a small number of Strategic Partnership Projects. Kramer joined Ames Laboratory in 1988, specializing in the areas Structure and properties of glass forming metallic alloys, aperiodic intermetallic alloys, permanent magnets and high temperature alloys, development of in situ time resolved methods using electron microscopy and high energy X-ray diffraction, analytical electron microscopy, and advanced imaging techniques for understanding rapid solidification. He holds B.S. and M.S degrees in geo mechanics and geology from the University of Rochester and a Ph.D. in geology from Iowa State University.
Joshua Turner is a staff scientist at the Stanford Institute for Materials and Energy Sciences, a joint institute between Stanford University and SLAC, as well as at the Linac Coherent Light Source, the world’s first x-ray free electron laser (XFEL) based at SLAC.
He received both a BS in Physics and a BA in Mathematics from UC Santa Barbara, a MA in Physics from Boston University specializing in instrumentation constructed at the Lawrence Berkeley National Laboratory (LBNL) for magnetic spectroscopy, and a PhD in Physics from the University of Oregon. During his doctoral studies, Joshua was an Advanced Light Source Doctoral Fellow at LBNL where he built a coherent scattering endstation to study fluctuations in quantum materials. He also spent time as a visiting researcher at the Brookhaven National Laboratory where his work focused on x-ray diffraction, inelastic scattering, and nanofabrication in strongly correlated materials. He then moved to Stony Brook University, NY to work as a postdoctoral fellow, lecturer, and then adjunct assistant professor, specializing in coherent imaging to investigate biological cells and nanoporous glass.
Josh is a leader in ultra-fast x-ray studies, which he has applied to an array of scientific fields, from chemistry and materials physics to the study of plasmas found in large planets and hot astrophysical objects. His most recent focus is on an innovative technology which utilizes new modes of the XFEL and can be used to examine subtle fluctuations in materials using short, coherent x-ray pulses. This will advance the frontier in quantum materials through the observation of novel types of order found in exotic systems such as topological magnets, unconventional superconductors, and strongly spin-orbit coupled Mott insulators. He is the recipient of the Department of Energy’s Early Career Award, a prestigious award granted to further the individual research programs of outstanding scientists with demonstrated successful research activities and potential for solving important problems to the U. S. government. He has published over 100 scientific articles with one-third of them in high-profile journals.
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Ashley Stowe’s technical expertise in novel materials spans from energy storage to ionizing radiation detection. He has numerous publications in development of chemical and metal hydride systems as well as radiation detection materials for handheld and imaging applications. He also has expertise in materials compatibility and aging as well as instrument and method development for the characterization of associated chemistries. He was previously named a Y-12 Technical Fellow and Director of the Nuclear Forensics and Detection Initiative. In that role, he acted as a technical lead, coordinating technology transfer activities and leveraging university partnerships for radiation detection technologies. Stowe holds 15 patents, has authored more than 70 publications, and was recognized with a 2013 R&D 100 award for his pioneering development of the 6LiInSe2 semiconductor radiation detection crystal. He holds a Ph.D. in physical chemistry and an MBA. His research interests include materials development, spectroscopy and materials characterization, crystal growth, radiation detection, and high energy radiation imaging.
Dr. Viktor P. Balema is a Senior Scientist at Ames Laboratory. He joint the laboratory in 2016 to lead new materials development and commercialization at Ames’ led DOE consortium (CaloriCool) founded by US Department of Energy’s Advanced Manufacturing Office. His technical expertise comprises development of biologically active compounds, hard and hybrid materials, polymers and chemical recycling.
Before joining Ames Laboratory, Viktor served in various leading roles, including Hard Materials Head and Global R&D Manager, at Sigma-Aldrich Corporation - a major materials supplier to research and commercial markets. Once at Ames Laboratory, Dr. Balema served on the laboratory’s Research Management Team and Technical Advisory Committee of REMADE Institute and contributed to the development of the Strategic Plan for Ames Laboratory.
Scientific expertise of Dr. Balema spans over chemistry of bio-active agents, synthetic materials chemistry as well as upcycling of spent products, including rare earths and polymers. Viktor published over 70 papers, reviews and proceedings in open literature and filed ~15 US and international patents and IP disclosures. He also developed and commercialized numerous proprietary materials that have been offered through diverse business channels.
Dr. Washington currently serves on multiple committees both at SRNL and in the Aiken community. These include the Conduct of R&D safety council, Diversity Board of Directors for SRNS, and the former Board of Directors Chairman and current member for Habitat for Humanity. He is an also an Adjunct Professor at USC Aiken in the chemistry department.
A strong science, technology, and engineering foundation enables Sandia's mission through a capable research staff working at the forefront of innovation, collaborative research with universities and companies, and discretionary research projects with significant potential impact. Sandia is committed to hiring the nation’s best and brightest, equipping them with world class tools and facilities while providing opportunities to collaborate with technical experts from many different scientific disciplines. To ensure our fundamental science and engineering core is vibrant and cutting edge, Sandia has chosen to invest in the following research foundations: Bioscience, Computing and Information Science, Engineering Science, Geoscience, Materials Science, Nanodevices and Microsystems, Radiation Effects and High Energy Density Science. These diverse research areas enable a multidisciplinary approach to resolve emerging national security problems.
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