Results 51 to 60 of about 80,289 (279)

Real time unsupervised learning of visual stimuli in neuromorphic VLSI systems [PDF]

open access: yes, 2015
Neuromorphic chips embody computational principles operating in the nervous system, into microelectronic devices. In this domain it is important to identify computational primitives that theory and experiments suggest as generic and reusable cognitive ...
Corradi, Federico   +3 more
core   +1 more source

Intermediate Resistive State in Wafer‐Scale Vertical MoS2 Memristors Through Lateral Silver Filament Growth for Artificial Synapse Applications

open access: yesAdvanced Functional Materials, EarlyView.
In MOCVD MoS2 memristors, a current compliance‐regulated Ag filament mechanism is revealed. The filament ruptures spontaneously during volatile switching, while subsequent growth proceeds vertically through the MoS2 layers and then laterally along the van der Waals gaps during nonvolatile switching.
Yuan Fa   +19 more
wiley   +1 more source

Bio‐Inspired Molecular Events in Poly(Ionic Liquids)

open access: yesAdvanced Functional Materials, EarlyView.
Originating from dipolar and polar inter‐ and intra‐chain interactions of the building blocks, the topologies and morphologies of poly(ionic liquids) (PIL) govern their nano‐ and micro‐processibility. Modulating the interactions of cation‐anion pairs with aliphatic dipolar components enables the tunability of properties, facilitated by “bottom‐up ...
Jiahui Liu, Marek W. Urban
wiley   +1 more source

Age- and sex-dependency of thrombin generation parameters in the general Italian population: the Moli-sani study

open access: yesFrontiers in Cardiovascular Medicine
BackgroundRecent developments have made the thrombin generation (TG) test accessible to the clinical laboratory. Therefore, the clinical interpretation of TG parameters has become of increasing interest, and reference values are required.
Simona Costanzo   +63 more
doaj   +1 more source

A bioinspired flexible neuromuscular system based thermal-annealing-free perovskite with passivation

open access: yesNature Communications, 2022
Designing efficient brain-inspired electronics remains a challenge. Here, Liu et al. develop a flexible perovskite-based artificial synapse with low energy consumption and fast response frequency and realize an artificial neuromuscular system with ...
Jiaqi Liu   +7 more
doaj   +1 more source

Temperature‐Modulated Threshold Response in a Volatile Memristor: Toward a Biomimetic Polymodal Nociceptive System

open access: yesAdvanced Functional Materials, EarlyView.
This study demonstrates an artificial polymodal nociceptor whose firing threshold is actively modulated by temperature. A volatile TiN/TiOx/ZnO/TiOx/ITO memristor shows interfacial ion–driven resistive switching and membrane‐potential‐like dynamics, enabling temperature‐dependent nociceptive behavior.
Chanmin Hwang   +3 more
wiley   +1 more source

Optoelectronic Synaptic Devices Using Molecular Telluride Phase‐Change Inks for Three‐Factor Learning

open access: yesAdvanced Functional Materials, EarlyView.
Optoelectronic synaptic devices based on solution‐processed molecular telluride GST‐225 phase‐change inks are demonstrated for three‐factor learning. A global optical signal broadcast through a silicon waveguide induces non‐volatile conductance updates exclusively in locally electrically flagged memristors.
Kevin Portner   +14 more
wiley   +1 more source

Tunable flexible artificial synapses: a new path toward a wearable electronic system

open access: yesnpj Flexible Electronics, 2018
Artificial synapses: memristive transistors with mechanical and synaptic flexibility Mechanically flexible artificial synapses based on memristive transistors demonstrate different kinds of synaptic plasticity.
Kunlong Yang   +9 more
doaj   +1 more source

Color‐Recognizing Si‐Based Photonic Synapse for Artificial Visual System

open access: yesAdvanced Intelligent Systems, 2020
Recently, photonic synapses that can directly respond to light signals have attracted much attention due to their huge application potential in neuromorphic chips and artificial vision systems.
Dongyang Li   +8 more
doaj   +1 more source

Recent progress in three-terminal artificial synapses based on 2D materials: from mechanisms to applications

open access: yesMicrosystems & Nanoengineering, 2023
Synapses are essential for the transmission of neural signals. Synaptic plasticity allows for changes in synaptic strength, enabling the brain to learn from experience.
Fanqing Zhang   +4 more
doaj   +1 more source

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