Browse Physics

Spectroscopic mapping of the luminescence of aromatic single molecules reveals the spatial distribution of radiative transitions at submolecular resolution.

Theorists propose a mechanism to induce domain-wall motion in ferromagnetic nanowires that may lead to unprecedented speeds.

Controlling defects on graphene that trap migrating metal atoms may lead to superior device fabrication.

A new compound is found to be the best yet fully organic realization of a one-dimensional ferromagnet.

Optical tuning of resonant NMR frequencies of nuclear spins in a single quantum dot achieves spatial resolution below the size of the dot.

Scanning-gate microscopy on a graphene quantum dot reveals localized states which influence transport properties.

Observations in nanostructured gold films, impossible until now, confirm theoretical predictions about how optical energy is localized in strongly scattering disordered materials.

A robust measurement scheme indicates that a spin-related torque that speeds up moving domain walls in magnetic nanostructures is larger than previously estimated.

Simulations show that fluid could potentially be pumped in a complete circuit through a nanometer-sized tube if its surface properties are manipulated and it’s heated in the right places.

Contrary to what is normally assumed, the polarization of sufficiently thin ferroelectrics can switch continuously, rather than through the formation of domains.

Heat-carrying vibrational waves can be transmitted across a small vacuum barrier between a metal point and a flat surface, according to a new experiment.

A new technique gives more detailed images of molecules by measuring the quantum mechanical repulsion between the imaged molecule and a small probe molecule.

The sources of friction between two surfaces can be difficult to pin down.

The phase coherence time of electrons in certain nanostructures may diverge at very low temperatures.

Optical spectroscopy may be able to detect the narrowest carbon nanotube that water can fill.

Microwave illumination of a high-mobility two-dimensional electron gas reveals quantum magneto-oscillations in both absorption coefficient and dc resistance.

A single-molecule junction on a silver surface exhibits orders-of-magnitude variation in conductance.

Diffraction techniques are making progress in tackling the difficult problem of solving the structures of nanoparticles and nanoscale materials.

A device based on photonic crystals exhibits strong optomechanical coupling.

LaAlO3/SrTiO3 interfaces grown by different methods all show a metal-insulator transition, but the observed interfacial electric field strength is not consistent with a widely studied model.