Magnetic Memory With Logical Operations

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Magnetic memory with logical operations to “revolutionize” tomorrow’s computers

Full adder gate.
Left: logic circuit symbol of the full adder with input operands of “a =0”, “b =1”, and a carry bit of “cin =1”.
Right: magnetic force microscopy (MFM) image of the full adder magnetic circuit.
The bright and dark contrast in the device regions in the MFM images correspond to up and down magnetization, respectively.
(Image: Nature.com)