Organic inkjet-patterned memory array based on ferroelectric field-effect transistors
2011
Abstract An inkjet-patterned, flexible organic memory array was demonstrated using non-volatile ferroelectric field-effect transistors which remained functional below 0.6% tensile strain. Each memory cell is comprised of an addressing transistor and a ferroelectric memory transistor. Less than 20% cross-talk was observed between neighboring cells, and binary memory states in a 7 × 8 array were retained for at least 8 h. Variations among the printed memory transistors were characterized and shown to be caused by different rates of charge trapping in the semiconductor–ferroelectric interface.
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