Researchers use a nanoscale synthetic antiferromagnet to toggle nonlinear spin dynamics

Researchers use a nanoscale synthetic antiferromagnet to toggle nonlinear spin dynamics

3 years ago
Anonymous $f-b3Pf4iLZ

https://www.sciencedaily.com/releases/2021/04/210428100250.htm

In ferromagnets, electron spins point in the same direction. To make future computer technologies faster and more energy-efficient, spintronics research employs spin dynamics -- fluctuations of the electron spins -- to process information. Magnons, the quantum-mechanical units of spin fluctuations, interact with each other, leading to nonlinear features of the spin dynamics. Such nonlinearities play a central role in magnetic memory, spin torque oscillators, and many other spintronic applications.

For example, in the emergent field of magnetic neuromorphic networks -- a technology that mimics the brain -- nonlinearities are essential for tuning the response of magnetic neurons. Also, in another frontier area of research, nonlinear spin dynamics may become instrumental.

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