Silicon Spin Transistors (IMAGE)
Caption
Left, a dozen three-contact nickel-iron transistors sit on a silicon chip coated with an ultra-thin film of magnesium oxide. Right, a six-transistor chip attached to electrical contacts for experiments showing that the magnetic "spins" of electrons can be aligned as they travel through silicon at room temperature -- a step toward "spintronic" computers and other devices that are faster and more energy efficient than their electronic counterparts.
Credit
Jiajia Tan, University of Utah
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