Thursday, February 4, 2010

Magnetic Cellular Automata Coplanar Cross-wire Systems (JAP 2010)



J. Pulecio, S. Bhanja, "
Magnetic Cellular Automata Coplanar Cross-wire Systems"
AIP ID: 149917JAP
Accepted in Journal: J. Appl. Phys., Ed Code: JR09-3490, 2010.

Abstract:

Quantum Cellular Automata (QCA) has proposed an exclusive architecture, where two coplanar perpendicular wires have the ability to intersect one another without signal degradation. The physical realization of cross wire architectures has yet to be implemented and researchers share concerns over the reliability of such a system. Here we have designed a coplanar cross wire layout for Magnetic Cellular Automata (MCA) and have fabricated two different systems. We have implemented a system containing two ferromagnetic coupled coplanar crossing wires and demonstrate all possible combinations. We have also fabricated a cross wire system consisting of nine junctions and one hundred and twenty single domain nano-magnets. The complex system’s ability to reach an energy minimum combined with the demonstration of all combinations of the smaller system leads us to conclude that a cross wire system is physically feasible and reliable in Magnetic Cellular Automata.

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