Organic non-volatile memory based on pentacene field-effect transistors using a polymeric gate electret

An organic field-effect transistor (OFET) memory device based on pentacene poly(alpha-methyl styrene) gate dielectric layer (P alpha MS, see figure) that has charge-trapping ability (an electret). The device has excellent non-volatile OFET memory characteristics, believed to originate from the stored charges in PaMS layer and transferred from the semiconductor to the polymeric gate electret.