Selectively nitrogen doped ALD-IGZO TFTs with extremely high mobility and reliability

DG Kim, H Choi, YS Kim, DH Lee, HJ Oh… - … Applied Materials & …, 2023 - ACS Publications
Achieving high mobility and reliability in atomic layer deposition (ALD)-based IGZO thin-film
transistors (TFTs) with an amorphous phase is vital for practical applications in relevant …

Threshold voltage instability and polyimide charging effects of LTPS TFTs for flexible displays

H Kim, J Park, T Khim, S Bak, J Song, B Choi - Scientific Reports, 2021 - nature.com
In this paper, we investigate the Vth shift of p-type LTPS TFTs fabricated on a polyimide (PI)
and glass substrate considering charging phenomena. The Vth of the LTPS TFTs with a PI …

Heterogeneous metal oxide channel structure for ultra-high sensitivity phototransistor with modulated operating conditions

KJ Zhou, PH Chen, YZ Zheng, MC Tai… - Journal of Materials …, 2022 - pubs.rsc.org
In this study, a thin-film transistor with a heterogeneous channel structure was introduced
into oxide semiconductors to improve their electrical properties, which resulted in high …

High-pressure H2O post-annealing for improving reliability of LTPS and a-IGZO thin-film transistors within a coplanar structure

J Yoo, JH Hong, H Kim, D Kim, C Lee, M Kim… - Materials Science in …, 2023 - Elsevier
Improving reliability of low-temperature polycrystalline silicon (LTPS) and amorphous indium-
gallium-zinc-oxide (a-IGZO) thin-film transistors (TFTs), components of low-temperature …

Effects of polyimide curing on image sticking behaviors of flexible displays

H Kim, J Park, S Bak, J Park, C Byun, C Oh, BS Kim… - Scientific Reports, 2021 - nature.com
Flexible displays on a polyimide (PI) substrate are widely regarded as a promising next-
generation display technology due to their versatility in various applications. Among other …

Back-end-of-line Compatible Transistor with Ultrathin InZnO Channel Enabling Operations in Cryogenic Environments

N Kim, H Park, J Jeong, HW Kim… - IEEE Electron …, 2024 - ieeexplore.ieee.org
This study successfully achieved the transfer characteristics of a transistor by utilizing an
ultrathin (~ 4 nm) indium zinc oxide (InZnO) channel. We explored optimal post-annealing …

Improvement in instability of transparent ALD ZnO TFTs under negative bias illumination stress with SiO/AlO bilayer dielectric

W Zhao, N Zhang, X Zhang, C Yao… - IEEE Journal of the …, 2022 - ieeexplore.ieee.org
The theory of oxygen vacancy related deep energy defects and valence band offset (VBO)
between gate insulator and channel codetermining the threshold voltage shift of ZnO thin …

Dual light temporal coding modes enabled by nanoparticle-mediated phototransistors via gate bias modulation for brain-inspired visual perception

YH Zeng, FJ Chu, LC Shih, YC Chen… - ACS Applied Materials …, 2023 - ACS Publications
The core integration and cooperation of the retina, neurons, and synapses in the visual
systems enable humans to effectively sense and process visual information with low power …

Analysis of Channel-length Dependence of Residual Hydrogen Diffusion from the Gate Insulator during Oxygen Annealing treatment in IGZO TFTs

PY Yen, KJ Zhou, PJ Sun, YA Chen… - IEEE Electron …, 2024 - ieeexplore.ieee.org
In previous research, it has been observed that the threshold voltage (V) in IGZO TFTs will
shift in the positive direction after the oxygen annealing treatment. However, in this study …

Comparative analysis on negative-bias-illumination-stress instabilities between planar-and vertical-channel thin-film transistors using InGaZnO active channels …

JW Kang, DH Lee, YH Kwon, NJ Seong, KJ Choi… - Materials Science in …, 2024 - Elsevier
It is of the utmost importance to highlight the necessity of characterizing the operational
stabilities of vertical-channel thin-film transistors (VTFTs) using In-Ga-Zn-O (IGZO) channel …