基于蛋清蛋白掺杂氧化石墨烯忆阻器的特性与人工突触研究

王 延青
聊城大学物理科学与信息工程学院

摘要


忆阻器是一种具备记忆功能的非线性电阻器件,能够有效模拟生物神经突触的功能。蛋清蛋白(Albumen)
作为一种天然的有机材料,具有良好的生物相容性和生物降解性,本研究在蛋清蛋白中掺杂氧化石墨烯辅助导电和
强化导电细丝改善器件性能,制备了一种结构为Al/Albumen:GO/ITO忆阻器。结果表明,该忆阻器表现为双极性
阻变特性,并在多次循环测试中展现出稳定性。在脉冲测试中,Al/Albumen:GO/ITO忆阻器能够成功模拟生物的
突触功能,包括兴奋性突触后电流、短程和长程突触可塑性及其相互转化,突触增强/抑制和时序依赖可塑性。这些
功能的实现可为人工智能的发展提供支持。

关键词


忆阻器;蛋清蛋白;氧化石墨烯;人工突触

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