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Type: 
Conference
Description: 
In recent years, biologically inspired systems, which emulate the nervous system of living beings, are becoming more and more requested due to their ability to solve ill-posed problems such as pattern recognition or interaction with the external environment. By virtue of their nanoscaled size and their tunable conductance, memristors are key elements to emulate high-density networks of biological synapses that regulate the communication efficacy among neurons and implement learning capability. We propose a TiN/ HfO 2 /Ti/TiN memristor as artificial synapse for neuromorphic architectures. The device can gradually change its conductance upon application of proper electrical stimuli. More specifically, it features gradual potentiation and depression when stimulated by trains of identical potentiating or depressing spikes, which are easy to be implemented on-chip. Moreover, we demonstrate that the memristor …
Publisher: 
IEEE
Publication date: 
1 May 2016
Authors: 

E Covi, S Brivio, Alex Serb, T Prodromakis, M Fanciulli, S Spiga

Biblio References: 
Pages: 393-396
Origin: 
2016 IEEE International Symposium on Circuits and Systems (ISCAS)