A review on morphotropic phase boundary in fluorite-structure hafnia towards DRAM technology

M Jung, V Gaddam, S Jeon - Nano Convergence, 2022 - Springer
In the present hyper-scaling era, memory technology is advancing owing to the demand for
high-performance computing and storage devices. As a result, continuous work on …

Novel Approach to High κ (∼59) and Low EOT (∼3.8 Å) near the Morphotrophic Phase Boundary with AFE/FE (ZrO2/HZO) Bilayer Heterostructures and High …

V Gaddam, G Kim, T Kim, M Jung, C Kim… - ACS Applied Materials …, 2022 - ACS Publications
We present herewith a novel approach of equally thick AFE/FE (ZrO2/HZO) bilayer stack
heterostructure films for achieving an equivalent oxide thickness (EOT) of 4.1 Å with a …

Sharp Transformation across Morphotropic Phase Boundary in Sub‐6 nm Wake‐Up‐Free Ferroelectric Films by Atomic Layer Technology

CH Chuang, TY Wang, CY Chou, SH Yi… - Advanced …, 2023 - Wiley Online Library
Atomic layer engineering is investigated to tailor the morphotropic phase boundary (MPB)
between antiferroelectric, ferroelectric, and paraelectric phases. By increasing the HfO2 …

High endurance (> 1012) via optimized polarization switching ratio for Hf0. 5Zr0. 5O2-based FeRAM

J Li, H Wang, X Du, Z Luo, Y Wang, W Bai, X Su… - Applied Physics …, 2023 - pubs.aip.org
The endurance degradation of HfO 2-based ferroelectric films limits their development
toward practical applications. In this work, we systematically investigate the ferroelectric …

Emerging fluorite-structured antiferroelectrics and their semiconductor applications

GH Park, DH Lee, H Choi, T Kwon… - ACS Applied …, 2023 - ACS Publications
The ferroelectric properties of fluorite-structured oxides have attracted significant attention
from researchers because of their potential applications in nonvolatile memory devices …

Capacitive memory window with non-destructive read in ferroelectric capacitors

S Mukherjee, J Bizindavyi, S Clima… - IEEE Electron …, 2023 - ieeexplore.ieee.org
Energy-efficient memory elements having a non-volatile memory window (MW) with a non-
destructive read operation are highly desirable for both random access memory and …

[HTML][HTML] A flexible Hf0. 5Zr0. 5O2 thin film with highly robust ferroelectricity

X Zhou, H Sun, J Li, X Du, H Wang, Z Luo, Z Wang… - Journal of …, 2024 - Elsevier
Flexible hafnia-based ferroelectric memories are arousing much interest with the ever-
growing demands for nonvolatile data storage in wearable electronic devices. Here, high …

Flexible Artificial Mechanoreceptor Based on Microwave Annealed Morphotropic Phase Boundary of HfxZr1‐xO2 Thin Film

M Jung, S Kim, J Hwang, HJ Kim, Y Kim… - Advanced Electronic …, 2024 - Wiley Online Library
The development of artificial tactile receptor systems is important in the fields of prosthetic
devices, interfaces for the metaverse, and sensors. A pressure sensor and memory device …

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 …

5.1 Å EOT and low leakage TiN/Al2O3/Hf0. 5Zr0. 5O2/Al2O3/TiN heterostructure for DRAM capacitor

Z Luo, X Du, H Gan, Y Lin, W Yan, S Shen… - Applied Physics …, 2023 - pubs.aip.org
Further scaling of dynamic random-access memory (DRAM) faces critical challenges
because of the lack of materials with both high dielectric constant and low leakage. In this …