Fig. 3: Reconfigurable Boolean logic device.
a Schematic drawing and optical image of the device for demonstration of reconfigurable Boolean logic device. Logic input \( \vec{{{{\bf{I}}}}_{{{\bf{a}}}}}\) and \( \vec{{{{\bf{I}}}}_{{{\bf{b}}}}}\) are current direction produced from different current channel by bipolar current source. Logic output is the direction of the sum current indicating by the magnetic state of CoPt pillar. b Truth table of AND/OR by using \( \vec{{{{\bf{I}}}}_{{{\bf{a}}}}}\) and \( \vec{{{{\bf{I}}}}_{{{\bf{b}}}}}\). The Boolean operation can be reconfigurable by both changing configuration current polarity and used current channel (current direction). c AND gate operations with a negative configuration current. Both MOKE signal and Hall voltage are used to read out in the device.
