Browse Physics

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.

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.

Nanoscale engineering of multiferroic thin films enables electric control of a device’s interface magnetism, thus offering a promising prospective for ultralow power spintronics.

Magnetic interactions between atoms contribute to sliding friction.

Optically switched magnetic domains are easier to control if the light source is circularly polarized.

Experimental models of astrophysical and planetary dynamos have been studied in the laboratory and generate magnetic fields with new geometries.

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

In some transition metal oxides, disorder makes  the dielectric constant highly sensitive to an applied magnetic field over a broad range of temperatures.

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

Silicon nanowire sensors offer a route to improving the sensitivity and spatial resolution of magnetic resonance force microscopy.

Helicoidal magnetic order induces a record high electrical polarization.

Advances in a magneto-optical technique will allow researchers to better understand how to control spins in a metal with short optical pulses.

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

Electromagnons open up new opportunities to control electric and magnetic properties.

A form of quantum electrodynamics emerges from interacting spins at low temperatures in the spin ice ${\text{Yb}}_2{\text{Ti}}_2{\text{O}}_7$.

A spin model on a honeycomb lattice points to a much sought after type of quantum spin liquid: the Bose metal.

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

Hysteresis loop measurements in technologically important magnetic materials have revealed striking deviations from some fundamental and widely accepted concepts in the physics of ferromagnetism.

Experiments show that it may be possible to achieve control of magnetization by an external electric field in a material by altering the balance between competing physical processes.