[HTML][HTML] Neuromorphic synaptic applications of HfAlOx-based ferroelectric tunnel junction annealed at high temperatures to achieve high polarization

S Kim, J Kim, D Kim, J Kim, S Kim - APL Materials, 2023 - pubs.aip.org
HfO 2-based ferroelectric tunnel junctions (FTJs) are promising nonvolatile memory types for
neural network applications because of their speed, low power, and excellent …

Effect of interfacial SiO 2 layer thickness on the memory performances in the HfAlO x-based ferroelectric tunnel junction for a neuromorphic system

Y Park, J Kim, S Kim, D Kim, W Shim… - Journal of Materials …, 2023 - pubs.rsc.org
In recent years, research on ferroelectric materials based on hafnium oxide has increased
because of promising advantages such as fast operating speeds and CMOS process …

Robust 1/f Noise Unaffected by Program/Erase Cycling-Induced Damage in Ferroelectric Schottky Barrier FETs

W Shin, RH Koo, S Kim, D Kwon, JJ Kim… - IEEE Electron …, 2024 - ieeexplore.ieee.org
This study investigates the 1/f noise characteristics of Schottky barrier (SB) ferroelectric field-
effect transistors (FeFETs) and their response to program/erase (P/E) cycling-induced …

Comparative Analysis of n- and p-type Ferroelectric Tunnel Junctions Through Understanding of non-FE Resistance Switching

RH Koo, W Shin, S Ryu, K Lee, SH Park… - IEEE Electron …, 2023 - ieeexplore.ieee.org
We re-evaluate the performance of the-type ferroelectric tunnel junction (FTJp) by
introducing a perspective that includes non-ferroelectric (FE) resistive switching (RS) …

Analysis of electrochemical impedance data: use of deep neural networks

D Doonyapisut, PK Kannan, B Kim… - Advanced Intelligent …, 2023 - Wiley Online Library
Technology advancements in energy storage, photocatalysis, and sensors have generated
enormous impedimetric data. Electrochemical impedance spectroscopy (EIS) results play an …

Stochasticity in ferroelectric memory devices with different bottom electrode crystallinity

RH Koo, W Shin, G Jung, D Kwon, JJ Kim… - Chaos, Solitons & …, 2024 - Elsevier
This study comprehensively analyzes of the influence of bottom electrode crystallinity on the
stochastic noise in ferroelectric tunnel junctions (FTJs). We perform a comparative analysis …

[HTML][HTML] Noise-assisted transport mechanism analysis and synaptic characteristics in ZrOX/HfAlOX-based memristor for neuromorphic systems

J Heo, Y Cho, H Ji, MH Kim, JH Lee, JK Lee, S Kim - APL Materials, 2023 - pubs.aip.org
In this work, we compare the resistive switching characteristics between Ti/ZrO X/TiN and
Ti/ZrO X/HfAlO X/TiN. The bilayer structure of the ZrO X-based device enables power …

Reservoir Computing System with Diverse Input Patterns in HfAlO-Based Ferroelectric Memristor

D Ju, M Noh, G Kim, Y Park, S Lee… - ACS Applied Materials & …, 2024 - ACS Publications
Ferroelectric memristors, particularly those based on hafnia, are gaining attention as
potential candidates for neuromorphic computing. These devices offer advantages over …

An electric-field-driven ferroelectric nanodomain structure and its multilevel data storage application

P Hou, Z Lian, C Chen - Physical Chemistry Chemical Physics, 2023 - pubs.rsc.org
Solid-state multilevel data storage devices based on ferroelectric materials possess
significant potential for use as artificial synapses in building biomimetic neural networks with …

Stochastic behavior of random telegraph noise in ferroelectric devices: Impact of downscaling and mitigation strategies for neuromorphic applications

RH Koo, W Shin, ST Lee, D Kwon, JH Lee - Chaos, Solitons & Fractals, 2025 - Elsevier
This study investigates the stochastic behavior of random telegraph noise (RTN) in
ferroelectric tunnel junctions (FTJs) considering the downscaling effect and its implications …