Design and implementation of peer gate in 90nm SG technologies and QCA

QCA technology is a promising future nanotechnology for computing. It takes great advantage of a physical effect, the Coulomb force that interacts between electrons. There also exists an alternative implementation that uses magnetic fields, a novel design of a Quantum-dot Cellular Automata (QCA) PeersGate (PG) and its simulation. PeersGate (PG) is a reversible logic gates. Reversible logic gates are attracting a lot of attention due to their zero power dissipation under ideal conditions. Reversible logic circuits are useful for constructing quantum computers. By the adjustment of electrons in a small limited area of only a few square nanometers. QCA is implemented by quadratic cells, the so-called QCA cells. In these squares, exactly four potential wells are located, one in each corner of the QCA cell. In the QCA cells, exactly two electrons are locked in.