Transparent artificial synapses based on Ag/Al-doped ZnO/ITO memristors for bioinspired neuromorphic computing

Article Multidisciplinary Sciences

An artificial synapse based on molecular junctions

Yuchun Zhang et al.

Summary: Shrinking the size of the electronic synapse to molecular length-scale and using self-assembled peptide molecule monolayers as artificial synapses allow for dynamic modulation of conductance and implementation of basic synaptic functions. Short-term and long-term plasticity are demonstrated in a single molecular synapse, facilitated by chemical gating and coordination effects. The molecular synapses are further utilized as reservoirs for waveform recognition with high accuracy.

NATURE COMMUNICATIONS (2023)

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Review Nanoscience & Nanotechnology

Wurtzite and fluorite ferroelectric materials for electronic memory

Kwan-Ho Kim et al.

Summary: Ferroelectric materials, similar to magnets, have attracted continuous research interest due to their spontaneous electric polarization that is non-volatile and programmable. While magnets have been widely used in modern information technology, applications of ferroelectric materials are still limited. Recent advancements in wurtzite-structured ferroelectric materials have provided new opportunities for their deployment in microelectronics hardware, particularly in memory and storage-based devices. This Review focuses on the recent progress and applications of wurtzite-structured ferroelectric materials in microelectronic hardware, comparing them with existing fluorite-structured ferroelectric materials.

NATURE NANOTECHNOLOGY (2023)

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Article Multidisciplinary Sciences

A flexible artificial chemosensory neuronal synapse based on chemoreceptive ionogel-gated electrochemical transistor

Hamna Haq Chouhdry et al.

Summary: Developing an artificial olfactory system that can mimic biological functions is challenging. The authors developed an artificial chemosensory synapse using a flexible organic electrochemical transistor gated by the potential generated from gas molecules interacting with ions in a chemoreceptive ionogel. This device can sense chemical stimuli and mimic the functions of neurotransmitter release in the olfactory system, and has potential applications in biomimetic chemosensory systems.

NATURE COMMUNICATIONS (2023)

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Article Nanoscience & Nanotechnology

Mimicking biological synapses with a-HfSiOx-based memristor: implications for artificial intelligence and memory applications

Muhammad Ismail et al.

Summary: In this study, an a-HfSiOx-based memristor was grown using atomic layer deposition (ALD) and its excellent properties and potential applications in multilevel memory and neuromorphic computing systems were confirmed through various tests.

NANO CONVERGENCE (2023)

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Article Materials Science, Multidisciplinary

Emulating synaptic plasticity with PDMS-Graphite composite memristor

P. Praveen et al.

Summary: Polymer-based memristors are a promising solution for wearable neuromorphic systems due to their low-cost fabrication route and mechanical flexibility. PDMS-graphite composite-based memristors were fabricated and showed bipolar resistive switching and emulated various synaptic behaviors.

MATERIALS LETTERS (2022)

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Review Materials Science, Multidisciplinary