A CDE Definition
Electronic systems that use ions and deal with elements measured in nanometers (atomic scale). See programmable metallization cell.
programmable metallization cell
A non-volatile, random-access memory technology that is designed to initially replace flash memory, and eventually DRAM memory. Also called "solid electrolyte" (SE) memory and "nano-ionic" memory, the programmable metallization cell (PMC) was invented by Dr. Michael Kozicki at Arizona State University. It is licensed to manufacturers by Axon Technologies Corporation (www.axontc.com), which was founded by Victor Lyn and Dr. Kozicki in 1996.
Programmable metallization cells work by creating a conductive bridge across a solid electrolyte channel that changes the resistance in the cell. Using a process akin to electroplating silverware, but at the nanoscale level, a tiny silver or copper wire is formed between two electrodes. The wire retains its structure without power until it is broken apart electrochemically. Reading is accomplished by applying a voltage to the cell at one end and sensing the current or lack thereof at the other end. See future memory chips.
The PMC Cell
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