一种表现为生物突触的有机纳米晶体管
An organic nanoparticle transistor behaving as a biological synapse
摘要：
基于分子的器件被设想为通过凭借其自组织能力以更简单的工艺水平和更低的成本提供新功能或已经存在的功能来补充硅器件。此外，它们不受冯·诺依曼建筑的约束，这一特征可能为其他建筑范式开辟道路。神经形态电子学就是其中之一。在这里，我们展示了一种由分子和纳米颗粒组成的器件，纳米颗粒有机存储场效应晶体管（NOMFET），它表现出生物尖峰突触的主要行为。促进和抑制突触行为可以由NOMFET再现，并且可以编程。实时计算的突触可塑性证明和描述了一个简单的模型。这些结果开辟了在动态神经形态计算电路的NOMFET的速率编码利用的方式。
英文摘要：
Molecule-based devices are envisioned to complement silicon devices by providing new functions or already existing functions at a simpler process level and at a lower cost by virtue of their self-organization capabilities. Moreover, they are not bound to von Neuman architecture and this feature may open the way to other architectural paradigms. Neuromorphic electronics is one of them. Here we demonstrate a device made of molecules and nanoparticles, a nanoparticle organic memory filed-effect transistor (NOMFET), which exhibits the main behavior of a biological spiking synapse. Facilitating and depressing synaptic behaviors can be reproduced by the NOMFET and can be programmed. The synaptic plasticity for real time computing is evidenced and described by a simple model. These results open the way to rate coding utilization of the NOMFET in dynamical neuromorphic computing circuits.
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