Abstract:
PURPOSE: A charge storage layer, a forming method thereof, a nonvolatile memory device thereof, and a manufacturing method thereof are provided to easily control the density and size of the charge storage layer of a nonvolatile memory device. CONSTITUTION: A tunneling oxide film(11) is formed on the semiconductor substrate. The charge storage layer is discontinuously formed on the tunneling oxide film and includes at least two dissimilar metal nano crystals. A control oxide film(13) is formed on the metal nano crystal of the charge storage layer and the tunneling oxide film. A control gate(14) is formed on the control oxide film.
Abstract:
Provided is a charge trapping layer which has excellent memory characteristics, a method of forming the charge trapping layer, a nonvolatile memory device using the charge trapping layer, and a method of fabricating the nonvolatile memory device, in which a hybrid nanoparticle which is obtained by mixing a nanoparticle having an excellent programming characteristic with a nanoparticle having an excellent erasing characteristic is used as the charge trapping layer. The charge trapping layer for use in the nanoparticle is discontinuously formed between a tunneling oxide film and a control oxide film, and includes at least two different kinds of numerous nanoparticles.