Science Highlights

Numerical simulation of the magnetic inhomogeneity (red = magnetism, blue = superconductivity) caused by replacing 1% of the indium atoms in a superconductor (CeCoIn5) with cadmium atoms.

A potential Rosetta Stone of high temperature superconductivity

Discovery paves the way to quantitatively investigate the interplay among magnetism, superconductivity and disorder in high temperature superconductors. Read More »

The polyborate anions wrap up the californium cations and bond to it at eight different sites.

Going Back to Californium: A Changing View of Covalency

Unusual structure, bonding, and properties may provide a new possibility for a californium borate. Read More »

Illustration of the catalytic oxygen reduction reaction on the surface of platinum-nickel nanoframes with multilayered platinum skin structure.

Multimetal Nanoframes Improve Catalyst Performance

Concentrating noble-metal catalyst atoms on the surface of porous nano-frame alloys shows over thirty-fold increase in performance. Read More »

The image on the left shows the general shape of a cubic CeO2 nanoparticle.

One Nanocrystal, Many Faces: Connecting the Atomic Surface Structures of CeO2 Nanocrystals to Catalysis

Imaging of cerium oxide nanocrystals provides new insights into the different behaviors of catalyst for emission control, other uses. Read More »

Palladium-nickel nanoparticles (top structural model) are synthesized and then exposed to reactive gases (lower right) while being probed with high-energy x-rays.

Optimizing Atomic Neighborhoods for Speedier Chemical Reactions

Clusters with longer separations between atoms had enhanced catalytic activity. Read More »

Perovskite nanowires have been found to function as shape-correlated stable light emitters.

All-Star Nanocrystals

Tiny semiconducting crystals show promise for solar cell architectures and light-emitting devices. Read More »

Depiction of carbon nanotube (gray) inserted into a cell membrane, with a single strand of DNA (gold) passing through the nanotube.

Spontaneous Formation of Biomimetic, Nanoporous Membrane Channels

Carbon nanotubes insert into artificial and active cell membranes, reproducing major features of biological channels. Read More »

Changes in the crystal structure and electronic properties of vanadium dioxide (VO2) occur during its insulator-to-metal phase transition (V blue; O red).

Insulator-to-Metal Transition of Vanadium Dioxide

New studies explain the transition, providing a quantitative picture of a 50-year-old mystery. Read More »

Electron density distribution (indicated by both the blue and red, as areas of deficiency and excess of electrons, respectively) in barium iron arsenide for undoped/nonsuperconducting and doped/superconducting alloys.

New Path to Loss-Free Electricity

Atomic-scale details of electron distribution reveal a novel mechanism for current to flow without energy loss. Read More »

Optical microscope image of triangular-shaped metal-diselenide monolayer hetero-structures.

Connecting Three Atomic Layers Puts Semiconducting Science on Its Edge

New material with a layered, atomic sandwich structure has unique optoelectronic properties. Read More »