In this study,we present an organic field-effect transistor floating-gate memory using polysilicon(poly-Si)as a charge trapping layer.The memory device is fabricated on a N^+-Si/SiO2 substrate.Poly-Si,polymethylmethac...In this study,we present an organic field-effect transistor floating-gate memory using polysilicon(poly-Si)as a charge trapping layer.The memory device is fabricated on a N^+-Si/SiO2 substrate.Poly-Si,polymethylmethacrylate,and pentacene are used as a floating-gate layer,tunneling layer,and active layer,respectively.The device shows bidirectional storage characteristics under the action of programming/erasing(P/E)operation due to the supplied electrons and holes in the channel and the bidirectional charge trapping characteristic of the poly-Si floating-gate.The carrier mobility and switching current ratio(Ion/Ioff ratio)of the device with a tunneling layer thickness of 85 nm are 0.01 cm^2·V^-1·s^-1 and 102,respectively.A large memory window of 9.28 V can be obtained under a P/E voltage of±60 V.展开更多
文摘In this study,we present an organic field-effect transistor floating-gate memory using polysilicon(poly-Si)as a charge trapping layer.The memory device is fabricated on a N^+-Si/SiO2 substrate.Poly-Si,polymethylmethacrylate,and pentacene are used as a floating-gate layer,tunneling layer,and active layer,respectively.The device shows bidirectional storage characteristics under the action of programming/erasing(P/E)operation due to the supplied electrons and holes in the channel and the bidirectional charge trapping characteristic of the poly-Si floating-gate.The carrier mobility and switching current ratio(Ion/Ioff ratio)of the device with a tunneling layer thickness of 85 nm are 0.01 cm^2·V^-1·s^-1 and 102,respectively.A large memory window of 9.28 V can be obtained under a P/E voltage of±60 V.