Researchers from EPFL designed a new flash memory cell prototype that is made from graphene and Molybdenite (MoS2). They say that the new design is efficient, flexible, small and fast. The idea is that the unique electronic properties of MoS2 (it has an "idea energy band") are combined with graphene's excellent conductivity:

http://www.graphene-info.com/graphene-and-molybdenite-based-flash-memory-efficient-flexible-small-and-fast