Programmable threshold logic implementations in a memristor crossbar array

S Youn, J Lee, S Kim, J Park, K Kim, H Kim - Nano Letters, 2024 - ACS Publications
In this study, we demonstrate the implementation of programmable threshold logics using a
32× 32 memristor crossbar array. Thanks to forming-free characteristics obtained by the …

Two-dimensional material-based memristive devices for alternative computing

J Panisilvam, HY Lee, S Byun, D Fan, S Kim - Nano Convergence, 2024 - Springer
Abstract Two-dimensional (2D) materials have emerged as promising building blocks for
next generation memristive devices, owing to their unique electronic, mechanical, and …

New-Style Logic Operation and Neuromorphic Computing Enabled by Optoelectronic Artificial Synapses in an MXene/Y:HfO2 Ferroelectric Memristor

J Fang, Z Tang, XC Lai, F Qiu, YP Jiang… - … Applied Materials & …, 2024 - ACS Publications
Today's computing systems, to meet the enormous demands of information processing, have
driven the development of brain-inspired neuromorphic systems. However, there are …

Memristor Crossbar Array with Enhanced Device Yield for In-Memory Vector–Matrix Multiplication

TH Kim, S Kim, J Park, S Youn… - ACS Applied Electronic …, 2024 - ACS Publications
In this work, we present a fabrication strategy for high-yield memristor crossbar arrays. Our
approach uses an Al2O3/TiO x-based bilayer memristor with a combination of a dielectric …

Overshoot‐Suppressed Memristor Crossbar Array with High Yield by AlOx Oxidation for Neuromorphic System

S Kim, K Park, K Hong, TH Kim, J Park… - Advanced Materials …, 2024 - Wiley Online Library
There is a need to design a hardware synapse array appropriate for enhancing the
efficiency of neuromorphic computing systems while minimizing energy consumption. This …

Black phosphorus quantum dots functionalized with photochromic poly (vinylspiropyran)-grafted polydopamine for transient digital-type memristors

Z Zhao, Q Che, Q Chen, K Wang, K Zhao… - Bulletin of the …, 2024 - academic.oup.com
The covalent functionalization of black phosphorus quantum dots (BPQDs) with organic
species or polymers will inevitably change or damage their electronic structure and intrinsic …

Neuron Circuit Based on a Split-gate Transistor with Nonvolatile Memory for Homeostatic Functions of Biological Neurons

H Kim, SY Woo, H Kim - Biomimetics, 2024 - mdpi.com
To mimic the homeostatic functionality of biological neurons, a split-gate field-effect
transistor (SG FET) with a charge trap layer is proposed within a neuron circuit. By adjusting …

A Quantized-Weight-Splitting Method of RRAM Arrays for Neuromorphic Applications

K Park, S Kim, JH Park, WY Choi - IEEE Access, 2024 - ieeexplore.ieee.org
In asynchronous Spiking Neural Networks (SNNs), the voltage division between passive
resistive random-access memory (RRAM) arrays and neuron circuits presents a significant …

Coupling-Free Readout Scheme for Memcapacitors With NAND Flash Structure

S Ahn, J Yu, H Hwang, MS Song, D Yu… - … on Electron Devices, 2024 - ieeexplore.ieee.org
In this article, we propose a coupling-free readout scheme designed for a hardware neural
network employing memcapacitive devices based on Si MOS capacitors having a charging …

Flexible Self-rectifying Synapse Array for Energy-efficient Edge Multiplication in Electrocardiogram Diagnosis

KM Kim, Y Lee, H Rhee, GY Kim, WH Cheong, DH Kim… - 2024 - researchsquare.com
Edge computing devices, which generate, collect, process, and analyze data near the
source, enhance the data processing efficiency and improve the responsiveness in real-time …