Patent ID: 6680505
Filing Date: 2004-01-20
Classification: G11C,H01L

Abstract:
A semiconductor storage element comprising:a semiconductor layer; a source region and a drain region formed in said semiconductor layer; a channel region formed between said source region and said drain region; a control electrode formed over said channel region; and a stacked structure disposed between said channel region and said control electrode, the stacked structure including a conductive particle layer containing conductive particles, and a layer having an energy level allowing a charge to stay thereat; wherein, when the charge is an electron, an energy level at which the electron is injected into the conductive particle or the layer having the energy level allowing the charge to stay thereat, as a charge stored layer, is lower than an energy level of a conduction band edge of said channel region or a Fermi level of said control electrode; and when the charge is a hole, an energy level at which the hole is injected into the conductive particle or the layer having the energy level allowing the charge to stay thereat, as a charge stored layer, is higher than an energy level of a valence band edge of said channel region or the Fermi level of said control electrode.