Low-frequency noise in gas sensors: A review

W Shin, S Hong, Y Jeong, G Jung, J Park, D Kim… - Sensors and Actuators B …, 2023 - Elsevier
Semiconductor-based gas sensors have been applied to a variety of applications, including
environmental, safety, and health monitoring. Extensive efforts have been made to improve …

Impact of HfO2 Dielectric Layer Placement in Hf0.5Zr0.5O2‐Based Ferroelectric Tunnel Junctions for Neuromorphic Applications

J Kim, Y Park, J Lee, E Lim, JK Lee… - Advanced Materials …, 2024 - Wiley Online Library
Abstract The use of Hf0. 5Zr0. 5O2 (HZO) films within hafnia‐based ferroelectric tunnel
junctions (FTJ) presents a promising avenue for next‐generation non‐volatile memory …

Charge Transport Advancement in Anti‐Ambipolar Transistors: Spatially Separating Layer Sandwiched between N‐Type Metal Oxides and P‐Type Small Molecules

Y Han, S Lee, M Kim, W Shin, H Lee… - Advanced Functional …, 2024 - Wiley Online Library
Interface issues with organic semiconductors on metal oxide challenge realizing a high‐
performance anti‐ambipolar transistor (AAT) with stable operation. The motivation behind …

Toward Ideal Low‐Frequency Noise in Monolayer CVD MoS2 FETs: Influence of van der Waals Junctions and Sulfur Vacancy Management

W Shin, J Byeon, RH Koo, J Lim, JH Kang… - Advanced …, 2024 - Wiley Online Library
The pursuit of sub‐1‐nm field‐effect transistor (FET) channels within 3D semiconducting
crystals faces challenges due to diminished gate electrostatics and increased charge carrier …

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 …

Random Number Generators and Spiking Neurons from Metal Oxide/Small Molecules Heterojunction N‐Shape Switching Transistors

J Seo, S Kang, D Kumar, W Shin, J Cho… - Advanced Functional …, 2024 - Wiley Online Library
In this study, a hybrid organic‐inorganic field‐effect transistor (FET) is proposed with n‐type
zinc‐tin oxide (ZTO) and p‐type dinaphtho [2, 3‐b: 2′, 3′‐f] thieno [3, 2‐b] thiophene …

Recent advances in the mechanism, properties, and applications of hafnia ferroelectric tunnel junctions

E Lim, D Kim, J Park, M Koo, S Kim - Journal of Physics D …, 2024 - iopscience.iop.org
The increasing demand of information and communication technology has pushed
conventional computing paradigm to its limit. In addition, physical and technological factors …

1/f Noise in Synaptic Ferroelectric Tunnel Junction: Impact on Convolutional Neural Network

W Shin, KK Min, JH Bae, J Kim, RH Koo… - Advanced Intelligent …, 2023 - Wiley Online Library
In recent years, neuromorphic computing has been rapidly developed to overcome the
limitations of von Neumann architecture. In this regard, the demand for high‐performance …

Synergistic improvement of sensing performance in ferroelectric transistor gas sensors using remnant polarization

W Shin, J Yim, JH Bae, JK Lee, S Hong, J Kim… - Materials …, 2022 - pubs.rsc.org
Gaseous pollutants, including nitrogen oxides, pose a severe threat to ecosystems and
human health; therefore, develo** reliable gas-sensing systems to detect them is …

Effect of carrier transport process on tunneling electroresistance in ferroelectric tunnel junction

RH Koo, W Shin, KK Min, D Kwon… - IEEE Electron …, 2022 - ieeexplore.ieee.org
We demonstrate the factors that determine the tunneling electroresistance (TER) of the
ferroelectric tunnel junction (FTJ) by investigating the effects of temperature () and the …