Structures and methods for memory cells having a volatile and a non-volatile component in a single memory cell are provided. The memory cell includes a first source/drain region and a second source/drain region separated by a channel region in a substrate. A storage capacitor is coupled to one of the...http://www.google.com/patents/US7166886?utm_source=gb-gplus-sharePatent US7166886 - DRAM cells with repressed floating gate memory, low tunnel barrier interpoly insulators