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Most magnetic materials do not respond to minute temperature changes. Now, physicists have created a nanomaterial that can change the direction of the magnetic field based on a slight increase or decrease in temperature. No material has previously been observed to have this effect, it may be used to manufacture a new type of temperature-controlled computer memory.
Computers encode information into tiny magnetic components that must be sufficiently stable and not easily reconfigurable. However, under certain conditions, magnetism must be able to flip quickly and the memory can be rewritten. Researchers believe that memory based on temperature changes will greatly improve the existing heat-assisted magnetic recording and writing equipment, and existing equipment needs to use laser heating for hundreds of degrees.
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