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In future neuromorphic processors, two-state transistors will be replaced by components that mimic brain synapse operation. The envisaged technologies include the ferroelectric tunnel junction studied by CEA-Leti within the scope of the European BeFerroSynaptic project.
This element can have a multitude of states between 0 and 1, which allows it to store a "synthetic weight", explains project manager Laurent Grenouillet. "This will be possible with a new device, the ferroelectric tunnel junction, which we will assess."
It should be stated that another project partner will assess a different "synapse" technology, the ferroelectric field effect transistor, within the BeFerroSynaptic project scope.
More information on BeFerroSynaptic Project
CEA is a French government-funded technological research organisation in four main areas: low-carbon energies, defense and security, information technologies and health technologies. A prominent player in the European Research Area, it is involved in setting up collaborative projects with many partners around the world.