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Optical controlled graphene-based nonvolatile ternary-logic transistor with azobenzene copolymer
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We demonstrated optical-controlled graphene-based nonvolatile transistors incorporated with azobenzene copolymer. The transistor was gated by the quasi remnant polarization of azobenzene copolymer, which was built by photo-assisted poling and erased by photo-depoling at room temperature. By taking the nature of polymer electret of azobenzene copolymer, the graphene-based device can perform ternary logic, and the resistance change ratio of the written status “±1” to the erased status “0” was ∓60%. The device can retain its statuses against an electric field as high as 0.2 MV/cm because the azobenzene molecules were frozen in copolymer at room temperature.
Title: Optical controlled graphene-based nonvolatile ternary-logic transistor with azobenzene copolymer
Description:
We demonstrated optical-controlled graphene-based nonvolatile transistors incorporated with azobenzene copolymer.
The transistor was gated by the quasi remnant polarization of azobenzene copolymer, which was built by photo-assisted poling and erased by photo-depoling at room temperature.
By taking the nature of polymer electret of azobenzene copolymer, the graphene-based device can perform ternary logic, and the resistance change ratio of the written status “±1” to the erased status “0” was ∓60%.
The device can retain its statuses against an electric field as high as 0.
2 MV/cm because the azobenzene molecules were frozen in copolymer at room temperature.
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