Science Highlights

A metamaterial that consists of a two-dimensional array of U-shaped gold structures (square background in the picture) efficiently emits terahertz frequency electromagnetic waves (red axis) when illuminated by a wavelength tunable near-infrared pump laser (blue axis).Science Highlight

Metamaterials Shine Bright as New Terahertz Source

Discovery demonstrates how metamaterials may be used in non-invasive material imaging and sensing, and terahertz information technologies. Read More »

The schematic shows the molecular structure of a protein.Science Highlight

Deciphering Distinct Atomic Motions in Proteins with Dynamic Neutron Scattering

Combining computer simulations with laboratory measurements provides insights on molecular-level flexibility. Read More »

Artist’s conception highlighting key features of electron behavior in bulk sodium bismuth (Na3Bi) and cadmium arsenic (Cd3As2).Science Highlight

Electrons Move Like Light in Three-Dimensional Solid

Tracking electronic motion in a graphene-like bulk material shows fast electrons in all dimensions. Read More »

The magnetic coercivity, the resistance to change in the orientation of the magnetic domain structure, for nickel (Ni) was shown to strongly depend on the crystal structure of the underlying oxide (vanadium oxide, V2O3).Science Highlight

Giant Magnetic Effects Induced in Hybrid Materials

Magnetic property changes by several hundred percent over a narrow temperature range. Read More »

Scanning electron micrograph (top) shows the arrangement of iron-nickel nanomagnets for the newly developed “shakti” artificial spin ice lattice...Science Highlight

Artificial Spin Ice - A New Playground to Better Understand Magnetism

Experiments using novel magnetic nanostructures confirm theoretically predicted behavior – bolstering their utility as a tool for understanding complex magnetic materials. Read More »

Neutron diffraction data of barium iron arsenide with sodium ions substituted onto 24 percent of the barium sites (doping) showed evidence for a new magnetic phase in iron-based superconductors. Science Highlight

New Magnetic Phase Confirms Theoretical Predictions Related to Unconventional Superconductivity

Scientists uncover the microscopic origin of a magnetic phase in iron-based superconductors. Read More »

Scanning tunneling microscopy image shows a variable width graphene nanoribbon. Atoms are visible as individual “bumps.”Science Highlight

For “Ribbons” of Graphene, Width Matters

Thin widths change a high-performance electrical conductor into a semiconductor. Read More »

Crystal structure of the parent compound of a calcium-strontium-based cuprate superconductor [(Ca/Sr)2CuO3]...Science Highlight

Predicting Magnetic Behavior in Copper Oxide Superconductors

New theoretical techniques predict experimental observations in superconducting materials. Read More »

Top view (left) and side view (right), illustrating the porous and layered structure of a highly conductive powder (Ni3(HITP)2), precursor to a new, tunable graphene analog.Science Highlight

Towards a Tunable Graphene-like Two-Dimensional Material

Researchers have created a porous, layered material that can serve as a graphene analog, and which may be a tool for storing energy and investigating the physics of unusual materials. Read More »

Oxygen ions can zigzag or take a circular route (red arrows) through this metal oxide crystal made of strontium (green), chromium (blue), oxygen (red) atoms...Science Highlight

Bringing Order to Defects - Making Way for Oxygen to Move

New metal oxide material works at temperatures low enough to improve fuel cell efficiency. Read More »