Combining magnetic data storage and logic

Phys.org  June 16, 2020
Researchers in Switzerland built racetrack memory managed to perform logical operations directly within memory element. The racetrack memory elements work by using current pulses to move tiny magnetic domains up and down nanowires that are just a few hundred nanometres thick. In these domains, all the magnetic moments are oriented in the same direction and can thus be used to represent the binary states 0 and 1. They use an electric current to reverse the polarity of the magnetic regions, thereby performing a NOT operation on the stored data. By eliminating the need for the mechanical movement of a read/write head, racetrack memory offers much faster access times than traditional hard disk drives…read more.

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