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An electronic synaptic device with weight modulation and learning function is experimentally demonstrated based on a memristor with Ti/Ta2O5/TaOx/Pt structure, which shows good gradual resistance tuning characteristics. The device exhibits various synaptic functions including potentiation, depression, short/long term plasticity (STP/LTP) and Spike-Time-Dependent-Plasticity (STDP) under both DC sweep...
Memristor has attracted significant attention in recent years because of its capability to act as artificial synapse in neuromorphic systems. In this paper, a memristor is demonstrated based on tantalum oxide. Multiple resistance states can be achieved. The resistance switching mechanism of continuous sets and resets is discussed. The essential synaptic behaviors of potentiation and depression are...
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