Browse Physics

Researchers designed and synthesized an organic molecule whose electronic structure helps funnel energy into fluorescent emission.

Materials in which heat flows perpendicular to an electric current could lead to better devices for cooling electronics.

Internal stress in a glass material is an important source of strength. Theory and experiments provide a new molecular-scale understanding of the process by which such stress develops.

A new experimental scheme allows the controlled generation and observation of magnetic avalanches, a cascade of spin flips that propagates through a magnetic sample like a three-dimensional fire.

Experiments pinpoint the effects of lanthanum composition on the conducting properties of the LaAlO3-SrTiO3 interface.

Researchers unveil the first chemically sensitive transmission electron microscope with single-atom resolution.

A model shows that as the size of a brittle material grows, the probability that it will fracture from a single crack approaches $100\%$.

Nanoscale crystals pass through narrow constrictions in carbon nanotubes by shuttling atoms from their back end to their front end, according to new experiments.

Firing projectiles at plates of glass or plastic shows that the number of resulting cracks is an indicator of the impact velocity and of material properties.

Experiments demonstrate the possibility of engineering stable, nanometer-scale magnetic structures in thin magnetic films by firing laser pulses at them.

Metal nanorods grown by physical vapor deposition can be fabricated with a much narrower diameter than previously thought, potentially enabling the design of more efficient catalysts.

According to new calculations, thin films of transition-metal oxides could be promising materials for high-efficiency solar cells.

In a crystal with an undulating lattice deformation, geometric phase-shift effects allow better control of x-ray propagation.

Lasers produce a beam of neutrons intense enough for practical experiments, extending the reach of neutron sources to small-scale laboratories.

Finding the most energetically favorable crystal structure of closed-shell atoms is a long-standing problem where experiment and theory don’t agree, but a study of argon nanoclusters is providing new insight into the discrepancy.

A study reveals the optimal balance of forces needed to make the cleanest cuts in soft solids.

Experimental data in combination with calculations show why some organic semiconductors have intrinsically different mobilities for electrons and holes.

First-principles calculations predict a new class of ferroelectrics.

Frictional forces between surfaces coated with charged polymers can be adjusted with external electric fields.

An ultra-high-speed camera has captured the cooling of surface electrons in topological insulators.