▎ 摘　　要

NOVELTY - Three-terminal synaptic device comprises a substrate, a source electrode (22) and a drain electrode (23) provided on the substrate and spaced apart from each other, a channel layer (31) provided on the substrate, the source electrode, and the drain electrode, an ion reservoir layer (34) configured to store active ions, a gate electrode (21) provided on the ion reservoir layer, and an ion barrier layer provided between the ion reservoir layer and the channel layer, and the ion barrier configured to control movement of active ions between the ion reservoir layer and the channel layer. USE - Three-terminal synaptic device. ADVANTAGE - The three-terminal synaptic device inhibits rapid movement of ions and improves characteristics of the three-terminal synaptic device as a synaptic device. DESCRIPTION OF DRAWING(S) - The drawing shows a schematic view of a device. 21Gate electrode 22Source electrode 23Drain electrode 31Channel layer 34Ion reservoir layer