Researchers flip magnetic memory cell with light pulse at record speed

Electrical and computer engineering researchers have created a magnetic tunnel junction that can be switched by a pulse of light lasting one trillionth of a second—a new record. This advancement holds promise for the development of new, optically controlled, ultrafast magnetic devices for innovations in information storage, processing, and communication.

from Engineering and Construction News – ScienceDaily https://www.sciencedaily.com/releases/2017/03/170309132752.htm

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