SUF 2024 | U.S. DOE Office of Science(SC)

3D-printed metal samples are about 4 inches wide. Printed and heat-treated samples are mounted on a pedestal and exposed to a neutron beam to analyze residual stresses, or irregularities such as cracks or voids, created during the manufacturing process.

Neutrons Help Improve 3D-Printed Superalloys for Applications in Extreme Environments

Neutron experiments revealed microscopic details about a special 3D-printed superalloy that could potentially reduce component costs.

Microtomographic 3D snapshots of complex structure of thermal cracks and air bubbles in an additive manufactured metal during the 3D printing process.

3D Printing One of the Strongest Stainless Steels

In a breakthrough for industrial manufacturing, scientists reproduced one of the world’s toughest materials using 3D printing.

Four layers of a surface-conducting material (Bi2Te3) between two single layers of a magnetic insulator (MnBi2Te4). This structure creates the conditions to align the manganese spins (red arrows) and support a zero-resistance, spin-polarized current.

Could a Magnetic Sandwich Make Your Electronic Devices Work More Efficiently?

Layers of a surface-conducting material, sandwiched between layers of a magnetic insulator, could lead to more powerful, energy-efficient electronics.

Highly porous MOFs can trap toxic gas molecules and prevent them from entering the atmosphere and can also be used to build sensors. This illustration shows the material’s normal luminescence (left) switched off in the presence of harmful gases (right).

Lying in Wait: MOF Are Traps for Toxic Gases

Researchers used neutrons to study porous metal materials called MOFs that trap toxic gases that are harmful to the environment and human health.

(A) The ultra-intense X-ray beams delivered by the unique superconducting helical undulator. (B) Ultrafast multi-pulse X-ray images. (C) Analysis of a region of interest. (D) A high-resolution velocity map of the near-nozzle spray.

Tiny Cavitation Bubbles Enhance Energy Conversion in Fuel Injectors’ Jets

Ultrafast X-ray imaging created with new technology offers insights into improving the energy efficiency of combustion engines.

Illustration of electron transfer driven by an ultrashort laser pulse across an interface between two atomically thin materials. An electronic interlayer “bridge” state emitting lattice vibrations in the layers facilitates this electron transfer.

New Mechanism Explains Rapid Energy Sharing Across Atomic Semiconductor Junctions

Electron transfer between atomically thin materials triggers the ultrafast release of heat.

Schematic of a plasma wakefield accelerator using optical laser beams and electron driver, escort, and witness beams for generating bright, coherent X-ray laser beams with attosecond duration and sub-Angstrom wavelength.

Ice-Cold Plasma Electron Beams Prepare to Power Future Hard X-ray Laser Beams

Scientists chart a path to sub-femtosecond hard X-ray Free-Electron-Laser pulses powered by compact plasma-based accelerators.