Organic ferroelectric multilayer for programmable logic gate

We demonstrate the operation of programmable logic gates using organic ferroelectrics. The vinylidene fluoride(VDF) oligomer, which is an organic ferroelectric with low molecular weight, was used as organic ferroelectric. Multilayer structure, Al/VDF/Al/VDF/Al, was fabricated on flexible substrate by vacuum deposition. A rectangular polarization hysteresis loop was observed in VDF oligomer thin film of each stacked ferroelectric layer and the switching characteristic evaluated as AND and OR gate by the polarization reversal of the fabricated stacked structure. Therefore, the organic ferroelectric multilayer could treat as programable logic gate by controlling direction of polarization.