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First-person science: Jacqueline Chen on modeling combustion engines

DOE/US Department of Energy

Jacqueline Chen harnesses some of the nation’s most powerful computers to model the complex interactions in combustion engines. Her research illustrates how much our computing power and understanding of these processes has evolved over decades of work.

Creating and studying radioactive molecules advances nuclear structure and fundamental symmetry studies

DOE/US Department of Energy

Researchers performed the world’s first measurement of how the size of the radium nucleus modifies the structure of molecules containing different radium isotopes. Violations of fundamental symmetries help explain why there is more matter than antimatter in the universe. Radioactive molecules containing isotopes of heavy elements like radium are ideal for studying violation of fundamental symmetries.

Journal: Physical Review Letters

Fast flows prevent buildup of impurities on the edge of tokamak plasmas

DOE/US Department of Energy

Impurities in the plasmas in tokamaks can reduce performance. These impurities are from interactions between the hot plasma and tungsten tokamak walls. This experiment found that tokamak magnetic fields that rotate clockwise direction can remove these impurities. This is the opposite direction from normal and the same direction the plasma current moves.

Journal: Nuclear Materials and Energy

Jozef Dudek: Then and now / 2011 Early Career Award winner

DOE/US Department of Energy

College of William and Mary associate professor and Jefferson Lab staff scientist Jozef Dudek focused on a previously unexplored, numerical approach to study unstable hadrons and pioneered theoretical techniques to find answers.

Subtle spin: A novel study of quantum material proves theoretical predictions

DOE/US Department of Energy

Researchers have discovered a hard-to-observe type of spin called Kardar-Parisi-Zhang (KPZ) in a quantum mechanical system. Their findings demonstrate that KPZ motion accurately describes the changes in time of spin chains—linear channels of spins that interact with one another—in certain quantum materials. This could eventually be harnessed for real-world applications such as heat transport and spintronics.

Journal: Nature Physics

The remarkable variability of actinide tetrafluoride electronic structures

DOE/US Department of Energy

Scientists have synthesized and examined the magnetic fields of tetrafluoride powders of four radioactive elements—thorium, uranium, neptunium, and plutonium. These are actinides, a series of heavy and radioactive elements. This study presents a new way of mapping the distinctive evolution of electronic structure in actinides. This will help researchers develop future nuclear fuels, superconductors, and other materials.

Journal: The Journal of Chemical Physics

Registration now open for Energy Department’s National Science Bowl®

DOE/US Department of Energy
Grant and Award Announcement

Registration has now opened for the 32nd National Science Bowl (NSB), hosted by the U.S. Department of Energy Office of Science. Thousands of students compete in the contest annually as it has grown into one of the largest, academic math and science competitions in the country.

DOE announces up to $400 million for basic research to advance the frontiers of science

DOE/US Department of Energy
Grant and Award Announcement

The U.S. Department of Energy (DOE) announced up to $400 million in funding for a range of research opportunities to support DOE’s clean energy, economic, and national security goals.

Department of Energy to provide $14 million for atmospheric system research

DOE/US Department of Energy
Grant and Award Announcement

The U.S. Department of Energy (DOE) announced plans to provide $14 million for new grants to universities, other academic institutions, non-profit organizations, for-profit organizations, and other federal agencies within the area of Atmospheric System Research (ASR).

Department of Energy announces three 2021 Office of Science Distinguished Scientist Fellows

DOE/US Department of Energy
Grant and Award Announcement

The Department of Energy (DOE) announced three DOE National Laboratory scientists as DOE Office of Science Distinguished Scientist Fellows. This honor, authorized by the America COMPETES Act, is bestowed on National Laboratory scientists with outstanding records of achievement and provides each Fellow with $1 million over three years to support activities that develop, sustain, and promote scientific and academic excellence in DOE Office of Science research.

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