Novel ferroelectric FET based synapse for neuromorphic systems
- Mulaosmanovic, H.
- Ocker, J.
- Müller, S.
- Noack, M.
- Müller, J.
- Polakowski, P.
- Mikolajick, T.
- Slesazeck, S.
Publication date
January 2017
DOIAbstract
A compact nanoscale device emulating the functionality of biological synapses is an essential element for neuromorphic systems. Here we present for the first time a synapse based on a single ferroelectric FET (FeFET) integrated in a 28nm HKMG technology, having hafnium oxide as the ferroelectric and a resistive element in series. The gradual and non-volatile ferroelectric switching is exploited to mimic the synaptic weight. We demonstrate both the spike-timing dependent plasticity (STDP) and the signal transmission and discuss the effect of the spike properties and circuit design on STDP
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