Flexible Oxide-Based Schottky Neuromorphic TFTs With Configurable Spiking Dynamic Functions

Capacitively coupled neuromorphic system is very promising for spiking dynamic computing because of the inherent advantages of low static power and large fan-out. Here, flexiblemultigate indium-gallium-zinc-oxide (IGZO) Schottky thin-film transistors (TFTs) with configurable neuromorphic functions are investigated. The channel layer can be effectively modulated by the multigate terminals throughelectric-double-layercoupling effect. Plastic modulation of Schottky barrier is also demonstrated, which is highly desirable for dynamic synaptic weight modulation. Furthermore, configurable spiking dynamic functions, such as paired-pulse facilitation (PPF) and high-frequency spike filter, are also emulated in such flexible oxide-based Schottky neuromorphic device.