Browse Physics

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

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.

Ultrathin solar cells are cost efficient, but new theoretical tools are needed to understand how light interacts with cells thinner than its wavelength.

New research has identified a rare form of magnetism at the interface between two different oxide compounds.

Terahertz radiation can control electron transport through quantum dots.

For sufficiently thin films of topological insulators, the metallic surface states that make these materials interesting become insulating.

Pairs of donor atoms read out the energy levels in a silicon nanowire.

A careful reassessment of zinc oxide nanolasers finds that the electrons and holes in the material are not bound together as others have suggested.

Experiments demonstrate a semiconductor device that emits more power as light than it takes in electrically.

An algorithm for simulating animal evolution has been adapted to predict a silicon-based material fit for optoelectronics applications.

Light emitting diodes with superconducting electrodes are better photon emitters.

In a superconductor-semiconductor hybrid system, circularly polarized light can generate an electric current without the system leaving thermal equilibrium.

Researchers use a laser pulse to manipulate excitons confined in quantum dots.

More compact transistors may be possible by harnessing the quantum properties of semiconductor heterostructures.

In nanowire form, semiconductor lasers that rely on the coherent scattering of polaritons produce light with less energy.

Protected surface states of topological insulators could be exploited to enhance surface reaction dynamics.

Alternating voltages act as a conveyer belt for transporting excitons.

In transistor circuits, preventing logical errors with physical fault tolerance is more efficient than correcting errors with a fault-tolerant architecture.

Mercury telluride—a semimetal in bulk—shows signs of becoming a topological insulator under strain.