Magnetic vortex reveals key to spintronic speed limit

Spintronics use electron spin to write and read information. To mobilize this emerging technology, scientists must understand exactly how to manipulate spin as a carrier of computer code. Now, scientists have precisely measured a key parameter of electron interactions called non-adiabatic spin torque that is essential to the development of spintronic devices. This unprecedented precision guides the reading and writing of digital information and sets the spintronic speed limit.

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