【摘 要】
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Biological bipolar metaplasticities were successfully mimicked in two-dimensional (2D) MoS2 transistors via the implementation of two different MoS2 surface dec
【机 构】
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Hunan Key Laboratory of Super Microstructure and Ultrafast Process, School of Physics and Electronic
论文部分内容阅读
Biological bipolar metaplasticities were successfully mimicked in two-dimensional (2D) MoS2 transistors via the implementation of two different MoS2 surface decorations,poly (vinyl alcohol) (PVA) and chitosan bio-polymers.Interestingly,the depressing metaplasticity was successfully mimicked when the PVA bio-polymer was used as the surface decoration layer,whereas the metaplasticity of long-term potentiation was realized when the chitosan bio-polymer was taken as the surface decoration layer.Furthermore,the electronic band structures of the 2D MoS2 devices with different surface decorations were further investigated using first-principles calculations for understanding the underlying mechanisms of such bipolar metaplasticities.These results will deepen our understanding of metaplasticity,and have great potential in neuromorphic computing applications.
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