Recent advances in synaptic nonvolatile memory devices and compensating architectural and algorithmic methods toward fully integrated neuromorphic chips

K Byun, I Choi, S Kwon, Y Kim, D Kang… - Advanced Materials …, 2023 - Wiley Online Library
Nonvolatile memory (NVM)‐based neuromorphic computing has been attracting
considerable attention from academia and the industry. Although it is not completely …

Linear and symmetric synaptic weight update characteristics by controlling filament geometry in oxide/suboxide HfOx bilayer memristive device for neuromorphic …

DP Sahu, K Park, PH Chung, J Han, TS Yoon - Scientific Reports, 2023 - nature.com
Memristive devices have been explored as electronic synaptic devices to mimic biological
synapses for develo** hardware-based neuromorphic computing systems. However …

Resistive switching characteristics of Si3N4-based resistive-switching random-access memory cell with tunnel barrier for high density integration and low-power …

S Kim, S Jung, MH Kim, S Cho, BG Park - Applied Physics Letters, 2015 - pubs.aip.org
In this letter, a bipolar resistive-switching random-access memory (RRAM) in Ni/Si 3 N 4/SiO
2/p+-Si structure and its fabrication process are demonstrated. The proposed device with …

3-D stacked synapse array based on charge-trap flash memory for implementation of deep neural networks

YJ Park, HT Kwon, B Kim, WJ Lee… - … on Electron Devices, 2018 - ieeexplore.ieee.org
This paper proposes a synaptic device based on charge-trap flash memory that has good
CMOS compatibility and superior reliability characteristics compared with other synaptic …

Nonlinear and multilevel resistive switching memory in Ni/Si3N4/Al2O3/TiN structures

S Kim, BG Park - Applied Physics Letters, 2016 - pubs.aip.org
In this letter, we extensively investigate the nonlinear resistive switching characteristics of Si
3 N 4-based resistive random access memory (RRAM) devices that contain an Al 2 O 3 …

Natural local self-boosting effect in 3D NAND flash memory

M Kang, Y Kim - IEEE Electron Device Letters, 2017 - ieeexplore.ieee.org
This letter examined the natural local self-boosting effect of an inhibited channel in three-
dimensional (3D) NAND flash memory. The inhibited channel in the 3D NAND flash …

Down-coupling phenomenon of floating channel in 3D NAND flash memory

Y Kim, M Kang - IEEE Electron Device Letters, 2016 - ieeexplore.ieee.org
In this letter, we have investigated the down-coupling phenomenon (DCP) of inhibited
channel potential in 3D NAND flash memory. The inhibited channel in the 3D NAND flash …

3-D synapse array architecture based on charge-trap flash memory for neuromorphic application

HS Choi, YJ Park, JH Lee, Y Kim - Electronics, 2019 - mdpi.com
In order to address a fundamental bottleneck of conventional digital computers, there is
recently a tremendous upsurge of investigations on hardware-based neuromorphic systems …

Effect of top electrode material on resistive switching properties of WN based thin films for non volatile memory application

R Prakash, BPS Rathore, D Kaur - Journal of Alloys and Compounds, 2017 - Elsevier
The influence of top electrode (TE) material on resistive switching properties of DC
magnetron sputtered tungsten nitride (WN) thin film with TE (Ti, Al and Cu)/WN/Pt stack …

3-D floating-gate synapse array with spike-time-dependent plasticity

HS Choi, DH Wee, H Kim, S Kim… - … on Electron Devices, 2017 - ieeexplore.ieee.org
This paper proposes a 3-D floating-gate (FG) synapse array for neuromorphic applications.
The designed device has certain advantages over previous planar FG synapse devices: a …