Atomic Layer Deposition Films for Resistive Random‐Access Memories

C Hao, J Peng, R Zierold… - Advanced Materials …, 2024 - Wiley Online Library
Resistive random‐access memory (RRAM) stands out as a promising memory technology
due to its ease of operation, high speed, affordability, exceptional stability, and potential to …

Artificial Synapse Emulated by Indium Tin Oxide/SiN/TaN Resistive Switching Device for Neuromorphic System

D Ju, S Kim, S Kim - Nanomaterials, 2023 - mdpi.com
In this paper, we fabricate an ITO/SiN/TaN memristor device and analyze its electrical
characteristics for a neuromorphic system. The device structure and chemical properties are …

Improved resistive and synaptic switching performances in bilayer ZrOx/HfOx devices

H Ji, Y Lee, J Heo, S Kim - Journal of Alloys and Compounds, 2023 - Elsevier
In this study, we investigated the resistive switching (RS) characteristics of ZrO x/HfO x
bilayer-based resistive random-access memory (RRAM) devices. A 1.5-nm-thick HfO x layer …

Improved Uniformity of TaOx-Based Resistive Switching Memory Device by Inserting Thin SiO2 Layer for Neuromorphic System

D Ju, S Kim, J Jang, S Kim - Materials, 2023 - mdpi.com
RRAM devices operating based on the creation of conductive filaments via the migration of
oxygen vacancies are widely studied as promising candidates for next-generation memory …

Amorphous bn-based synaptic device with high performance in neuromorphic computing

J Pyo, J Jang, D Ju, S Lee, W Shim, S Kim - Materials, 2023 - mdpi.com
The von Neumann architecture has faced challenges requiring high-fulfillment levels due to
the performance gap between its processor and memory. Among the numerous resistive …

Improved memory and synaptic device performance of HfO2-based multilayer memristor by inserting oxygen gradient TiOx layer

J Park, H Jang, Y Byun, H Na, H Ji, S Kim - Chaos, Solitons & Fractals, 2025 - Elsevier
Abstract Pt/Al/TiO x/HfO 2/AlN/Pt devices demonstrate abrupt filamentary resistive switching
(RS) that is strongly dependent on the bias polarity due to variations of the defect states in …

Enhanced Reliability and Self‐Compliance of Synaptic Arrays for Multibit Encoded Neuromorphic Systems

S Kim, H Ji, S Kim, WY Choi - Advanced Electronic Materials, 2024 - Wiley Online Library
Utilizing memristors to increase the density of crossbar arrays requires reducing
dependency on transistors. This paper presents an approach where the current limiting …

Compositional effects of hybrid MoS2–GO active layer on the performance of unipolar, low-power and multistate RRAM device

R Manikandan, G Raina - Nanotechnology, 2024 - iopscience.iop.org
Currently, 2D nanomaterials-based resistive random access memory (RRAMs) are explored
on account of their tunable material properties enabling fabrication of low power and flexible …

Improved Resistive Switching Characteristics and Synaptic Functions of InZnO/SiO2 Bilayer Device

D Ju, M Koo, S Kim - Materials, 2023 - mdpi.com
This paper investigates the bipolar resistive switching and synaptic characteristics of IZO
single-layer and IZO/SiO2 bilayer two-terminal memory devices. The chemical properties …

[HTML][HTML] Effect of atomic layer annealing in plasma-enhanced atomic layer deposition of aluminum nitride on silicon

H Seppänen, I Prozheev, C Kauppinen… - Journal of Vacuum …, 2023 - pubs.aip.org
The effect of adding an atomic layer annealing step to a plasma-enhanced atomic layer
deposition process of aluminum nitride was investigated with commonly available materials …