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Magnetic devices are components for creating, manipulating or detecting magnetic fields. This can include magnetic memories, magnetometers and devices for magneto-optics. Magnetism can also play a central role in spintronic devices.
Expanding the scope of materials for spin caloritronics enhances the opportunity to achieve more energy efficient memory and sensor devices. Here the authors report the tunnel magneto-Seebeck effects in magnetic tunnel junctions with Co2FeAl and Co2FeSi Heusler compounds.
The application of spin-orbit torque in topological insulator heterostructures is limited only under low temperature. Here, the authors report room temperature magnetization switching in topological insulator-ferromagnet heterostructures by spin-orbit torques.
The microstate of geometrically frustrated two-dimensional arrays of strongly interacting nanomagnets is controlled by means of topological defect-driven magnetic writing, to the extent that elusive configurations such as the ground state and negative-temperature states are realized.