Browse Physics

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

A study of the thermoelectric properties of the doped insulator, strontium titanate, shows that it superconducts with the lowest charge density ever observed.

New experiments show that holes in silicon can transport spin over surprisingly large distances, adding $p$-type semiconductors to the toolkit of materials for spintronics.

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.

A new optical experiment provides further proof that quantum mechanics is not hiding some classical framework beneath its veneer of context-dependent observations.

Researchers have applied a combination of an electric field and mechanical strain to a system of quantum dots in order to correct for asymmetries that usually prevent these semiconductor nanostructures from emitting entangled photons.

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.

Bundles of nearly identical carbon nanotubes have properties that are well-suited for making electricity from light.

Theorists propose an experiment to observe a “phoniton,” a novel hybrid of an electron and a quantum of vibration in a crystal lattice.

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.

Electric-field control of the spin-orbit field in [111] quantum wells lengthens the spin coherence time.