Systems, devices, structures, and methods are described that inhibit atomic migration that creates an open contact between a metallization layer and a conductive layer of a semiconductor structure. A layer of an inhibiting substance may be used to inhibit a net flow of atoms so as to maintain conductivity...http://www.google.de/patents/US7491602?utm_source=gb-gplus-sharePatent US7491602 - Structures and methods for improved capacitor cells in integrated circuits
