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Technology update

Jun 19, 2008

C60 memory on the horizon

A new type of non-volatile memory in which single molecules of C60 (buckyballs) are integrated in flash memory cells has been put forward by researchers at Cornell University in the US. The buckyballs with well-defined energy levels are embedded in silica to form the tunnel barrier between a floating gate and a silicon channel. The C60-embedded memories have a retention:program/erase ratio that is an order of magnitude higher than metal nanocrystal memories, which makes them promising for next-generation data storage devices.

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