Conduction mechanism analysis of abrupt-and gradual-switching InGaZnO memristors

WS Choi, MS Song, H Kim, DH Kim - Micromachines, 2022 - mdpi.com
In this work, two types of InGaZnO (IGZO) memristors were fabricated to confirm the
conduction mechanism and degradation characteristics of memristors with different …

Assessment of trapping layer control in IGZO/Al2O3/Ga2O3 synaptic transistor for neuromorphic computing

ES Jo, YS Rim - Materials Today Physics, 2023 - Elsevier
We conducted research to create reverse synapse plasticity using metal oxide
semiconductor-based field-effect transistors. Specifically, we used IGZO as the channel, Al 2 …

Operating region-dependent characteristics of weight updates in synaptic In–Ga–Zn–O thin-film transistors

D Cha, Y Kang, S Lee - Scientific Reports, 2022 - nature.com
We present a study on characteristics of operating region-dependent weight updates in a
synaptic thin-film transistor (Syn-TFT) with an amorphous In–Ga–Zn–O (IGZO) channel layer …

Retention Characteristics Dependent on High-κ Gate-Insulator Stack in Hf-ZnO Synaptic Thin-Film Transistors

G Do, D Cha, K Tae, N Lee, S Byun, J Pi, S Lee - IEEE Access, 2024 - ieeexplore.ieee.org
In this paper, we present a study on a retention characteristics dependent on a high-gate
insulator stack in synaptic thin-film transistors (Syn-TFTs) with a Hf-ZnO channel layer. A …

Boosting the Visible Light Optoelectronic Synaptic Characteristics of Solution-Processed IGZO Transistors via Vertically Diffused Cd Dopants

JH Jeong, MH Park, H Jeong, W Kim… - ACS Applied …, 2023 - ACS Publications
Inspired by the human visual system, optoelectronic synaptic transistors have recently
received a great deal of attention as promising candidates for next-generation neuromorphic …

InGaZnO-based synaptic transistor with embedded ZnO charge-trapping layer for reservoir computing

J Jang, J Lee, JH Bae, S Cho, S Kim - Sensors and Actuators A: Physical, 2024 - Elsevier
In this study, we design an IGZO/ZnO/IGZO-based synaptic transistor to implement robust
reservoir computing. Short-term memory characteristics are achieved using the charge …

InGaZnO Synaptic Transistor Using Metal-Hydroxyl Traps at Back Channel for Weight Modulation

C Zhang, BF Yang, D Wang, ZY Zhou… - … on Electron Devices, 2023 - ieeexplore.ieee.org
Synaptic devices are essential for constructing neuromorphic computing. For the current
synaptic transistors, their gate dielectrics are always required to possess special functions …

[HTML][HTML] MeaSSUre: IV: Open software for transistor characterization using source-meter units

H Oh, H Kim, H Jo - SoftwareX, 2023 - Elsevier
Despite the importance of transistors in modern electronics, transistor characterization
requires expensive instruments that are not affordable for many researchers, engineers and …

Flexible Photonic Synapses Using Vertical ZnO Nanotubes on Graphene Films

H Jo, A Ali, WS Oh, SJ An, GC Yi… - IEEE Journal of Selected …, 2023 - ieeexplore.ieee.org
We report the fabrication of flexible photonic synapses using vertically grown ZnO
nanotubes on graphene layers. Position-and morphology-controlled ZnO nanotubes were …

Bi-directional threshold voltage shift of amorphous InGaZnO thin film transistors under alternating bias stress

H Kim, BJ Kim, J Oh, SY Choi… - … Science and Technology, 2024 - iopscience.iop.org
Amorphous InGaZnO (a-IGZO) has attracted a lot of attention as a high-mobility channel
material for thin film transistors (TFTs). However, the instability mechanism involving …