The effect of stress on HfO2-based ferroelectric thin films: A review of recent advances

R Han, P Hong, S Ning, Q Xu, M Bai, J Zhou… - Journal of Applied …, 2023 - pubs.aip.org
HfO 2-based thin films have raised considerable interest in ferroelectric memory devices due
to their thickness scalability and process compatibility with CMOS. Stress exhibits a …

Effect of dead layers on the ferroelectric property of ultrathin HfZrOx film

S Oh, H Kim, A Kashir, H Hwang - Applied Physics Letters, 2020 - pubs.aip.org
In this study, we investigate the effects of various electrodes on the ferroelectric properties of
ultrathin HfZrO x (HZO) films. The ferroelectric polarization is totally suppressed in the HZO …

Excellent Reliability and High-Speed Antiferroelectric HfZrO2 Tunnel Junction by a High-Pressure Annealing Process and Built-In Bias Engineering

Y Goh, J Hwang, S Jeon - ACS Applied Materials & Interfaces, 2020 - ACS Publications
Hafnia-based ferroelectric tunnel junctions (FTJs) have great potential for use in logic in
nonvolatile memory because of their complementary metal–oxide–semiconductor process …

High polarization and wake-up free ferroelectric characteristics in ultrathin Hf0. 5Zr0. 5O2 devices by control of oxygen-deficient layer

M Yadav, A Kashir, S Oh, RD Nikam, H Kim… - …, 2021 - iopscience.iop.org
The formation of an interfacial layer is believed to affect the ferroelectric properties in HfO 2
based ferroelectric devices. The atomic layer deposited devices continue suffering from a …

Effect of forming gas high-pressure annealing on metal-ferroelectric-semiconductor hafnia ferroelectric tunnel junction

J Hwang, Y Goh, S Jeon - IEEE Electron Device Letters, 2020 - ieeexplore.ieee.org
The various structures of ferroelectric tunnel junctions (FTJs) are widely studied. Among
them, metal-ferroelectric-semiconductor (MFS) FTJs show great tunneling electroresistance …

Effect of insertion of dielectric layer on the performance of Hafnia ferroelectric devices

J Hwang, Y Goh, S Jeon - IEEE Transactions on Electron …, 2020 - ieeexplore.ieee.org
Hafnia-based ferroelectric (FE) devices have attracted significant attention as nonvolatile
memory devices due to their compatibility with complementary metal–oxide–semiconductor …

CMOS-compatible fabrication of low-power ferroelectric tunnel junction for neural network applications

YS Kuo, SY Lee, CC Lee, SW Li… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
A low-cost fabrication process of Hf Zr x O 2 (HZO) nonvolatile memory (NVM) was proposed
and its characteristics were investigated. We successfully fabricated a ferroelectric tunnel …

High Pressure Microwave Annealing Effect on Electrical Properties of HfxZr1–xO Films near Morphotropic Phase Boundary

M Jung, C Kim, J Hwang, G Kim, H Shin… - ACS Applied …, 2023 - ACS Publications
In this paper, we report for the first time the effect of high-pressure microwave annealing
(HPMWA) on the electrical properties of hafnium zirconium oxide capacitors. The high …

Sputtered Ferroelectric Hafnium–Zirconium Oxide with High Remanent Polarization after Back-End-of-Line Compatible Annealing

X Wang, T Mikolajick, M Grube - ACS Applied Electronic Materials, 2022 - ACS Publications
The back-end-of-line (BEOL) processing compatibility of sputtered ferroelectric hafnium
zirconium oxide (HZO) thin films is demonstrated on sputtered TiN/HZO/TiN thin-film …

[HTML][HTML] Improvement of polarization switching in ferroelectric transistor by interface trap reduction for brain-inspired artificial synapses

DG Jin, SG Kim, H Jeon, EJ Park, SH Kim, JY Kim… - Materials Today …, 2023 - Elsevier
Numerous devices have been studied to accomplish a brain-inspired neuromorphic
computing system; however, their characteristics require improvement to enhance operation …