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Simulation of directed percolation on ideal and real random diode networks

Random diode network (RDN) conductivity can be described using mathematical model of percolation theory. For a given number of conducting diodes there is a finite probability p for which the system will conduct. Percolation in random diode network is a directed process and network has to be built to achieve the best possible directivity. Random diode network conductivity depends on number of conducting diodes, contact placement and number of elements (diodes). In this paper, tilted square lattices of ideal (virtual) and real (1N4007) diodes are observed. Voltage is applied on diagonally opposite vertices of square lattice. Networks built for measurements consist of 25 to 220 PN semiconductor diodes and are simulated in percolating and non-percolating phase.

simulation; directed percolation; RDN; tilted square lattice

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