Fast prototyping of memristors for ReRAMs and neuromorphic computing.

Journal: Nanoscale
Published Date:

Abstract

The growing demand for energy-efficient computing in artificial intelligence requires novel memory technologies capable of storing and processing information. Memristors stand out in thanks to their ability to store information, mimic synaptic behavior and support in-memory computing architectures while requiring minimal active areas and energy consumptions. Here is presented a scalable and cost-effective approach to fabricate Ag/MoS2/Au memristors as resistive switching memory devices by combining roll-to-roll mechanical exfoliation of two-dimensional materials with inkjet printing. These devices exhibit reliable non-volatile switching behavior attributed to the formation and dissolution of metallic conductive filaments within the MoS2 layer, with high resistance ratios and robust retention times. A fully-connected neural networks is simulated using quantized weights mapped onto a virtual memristor crossbar array demonstrating that classification tasks can be performed with high accuracy even with limited bit-width precision, highlighting the potential of these devices for energy-efficient, high-throughput AI hardware.

Authors

  • Gianluca Marraccini
    Dipartimento di Ingegneria dell'Informazione, Università di Pisa, via G.Caruso 16, Pisa, Italy. [email protected].
  • Sebastiano Strangio
    Dipartimento di Ingegneria dell'Informazione, Università di Pisa, via G.Caruso 16, Pisa, Italy. [email protected].
  • Elisabetta Dimaggio
    Dipartimento di Ingegneria dell'Informazione, Università di Pisa, via G.Caruso 16, Pisa, Italy. [email protected].
  • Riccardo Sargeni
    Dipartimento di Ingegneria dell'Informazione, Università di Pisa, via G.Caruso 16, Pisa, Italy. [email protected].
  • Francesco Pieri
    Dipartimento di Ingegneria dell'Informazione, Università di Pisa, via G.Caruso 16, Pisa, Italy. [email protected].
  • Yigit Sozen
    2D Foundry research group, Instituto de Ciencia de Materiales de Madrid (ICMM-CSIC), Madrid, E-28049, Spain.
  • Andres Castellanos-Gomez
    2D Foundry Research Group, Instituto de Ciencia de Materiales de Madrid (ICMM-CSIC), Madrid E-28049, Spain.
  • Gianluca Fiori
    Dipartimento di Ingegneria dell'Informazione, Università di Pisa, via G.Caruso 16, Pisa, Italy. [email protected].

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