Neuromorphic computers, which can store information and compute at the same time, have been considered to be a potential candidate for greatly improving computing efficiency. The development of high‐performance artificial synapses, which are the basic unit of brain‐like chips, is very important for realizing efficient neuromorphic computing. Here, a dual‐gated MoS₂ transistor is designed to realize synaptic functions and programmable logic operations. The channel conductance is modulated via top electrolyte gating to mimic important synaptic functions, such as excitatory postsynaptic current, paired‐pulse facilitation, and spike‐timing dependent plasticity. The synaptic transistor exhibits ultra‐low energy consumption with 12.7 fJ. Furthermore, the MoS₂ transistor can dynamically reconfigure the logic operations of “AND,” “OR,” and “NOT” by combining top electrolyte gating with back gating. Classical Pavlov's dog experiment can be simulated by the dual gated device. These results indicate that the proposed synaptic transistor has potential applications in realizing neuromorphic and programmable logic devices.

中文翻译：

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双栅极MoS2晶体管，用于突触和可编程逻辑功能

可以同时存储信息和进行计算的神经形态计算机被认为是极大提高计算效率的潜在候选人。高性能人工突触的开发是类脑芯片的基本单元，对于实现有效的神经形态计算非常重要。此处，设计了双栅极MoS ₂晶体管以实现突触功能和可编程逻辑操作。通过顶部电解质门控来调节通道电导，以模仿重要的突触功能，例如兴奋性突触后电流，成对脉冲促进和依赖尖峰时序的可塑性。突触晶体管具有12.7 fJ的超低能耗。此外，MoS ₂通过结合顶部电解质门控和反向门控，晶体管可以动态地重新配置“ AND”，“ OR”和“ NOT”的逻辑运算。双重门控装置可以模拟经典的巴甫洛夫的狗实验。这些结果表明，所提出的突触晶体管在实现神经形态和可编程逻辑器件方面具有潜在的应用。