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Transcript
Types of Chalcogenide Resistive
Memory
 Ion-Conducting
 Ions (e.g. Ag+ and Cu+) are added to a chalcogenide
glass
 Application of electric field causes formation of a
conductive channel through glass (Kozicki, M.N. et al.,
Microelectronic Engineering 63, 485 (2002))
 Thermally Induced Phase Change
 Crystalline to amorphous phase change; low R to high
R shift
 High current heats material to cause phase change (S.R.
Ovshinsky, Phys. Rev. Lett. 21, 1450 (1968))