Official record
Hard drives already use the idea to read data.
Researchers are investigating whether harnessing electrons’ magnetic properties could lead to faster.
What we know
The document surveyed a field of research; it did not describe a new chip.
A magnetic field can change the magnetic orientation of thin layers.
What we know
A change in magnetic orientation can alter electrical resistance.
An electrical current can change the magnetic state of the layers.
Sensors that detect changes in resistance have been used to read data on hard drives.
The document proposed potential applications in memory, sensors, and information-processing components.
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