Browse Physics

A newly discovered type of magnetoresistance, resulting from spin-dependent scattering at a metal-magnet interface, may potentially be used to study the magnetization in insulating magnets or to develop new spintronic devices.

Combining two spin-dependent effects generates a microwave signal that can be easily read to study the magnetization dynamics in a device with novel geometry.

Coulomb interactions in the presence of spin-orbit coupling can stabilize ferromagnetic order.

Local laser heating is used to image thermally driven spin currents and voltages.

Ferroelectric domain patterns enable voltage-induced magnetization reversal in a magnetic alloy.

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

A single $30$-femtosecond pulse has been used to observe x-ray diffraction of a magnetic material, potentially opening the way to ultrafast probing of spin dynamics with nanometer spatial resolution.

Thermal magnetic fluctuations, usually thought of as a barrier to magnetic information storage and processing, can be harnessed to make green, low-energy magnetic applications a possibility.

The magnetic state of a multiferroic device can be controlled purely by an electric field—a property that could greatly reduce overheating in data storage devices.

A microscopic study of magnetic nanoislands on a surface challenges the widely held view that all atoms in a relaxing nanoparticle flip their spins in unison.

Using a double spin-filter tunnel junction consisting of two magnetic insulating layers, researchers have observed a sizeable magnetoresistance without using magnetic electrodes, thus tuning the tunneling via the magnetic state of the insulating layers and by application of an electric voltage.