A perspective on the physical scaling down of hafnia-based ferroelectrics

JY Park, DH Lee, GH Park, J Lee, Y Lee… - Nanotechnology, 2023 - iopscience.iop.org
HfO 2-based ferroelectric thin films have attracted significant interest for semiconductor
device applications due to their compatibility with complementary metal oxide …

The doping effect on the intrinsic ferroelectricity in hafnium oxide-based nano-ferroelectric devices

Z Li, J Wei, J Meng, Y Liu, J Yu, T Wang, K Xu, P Liu… - Nano Letters, 2023 - ACS Publications
Hafnium oxide (HfO2)-based ferroelectric tunnel junctions (FTJs) have been extensively
evaluated for high-speed and low-power memory applications. Herein, we investigated the …

Recent progress on defect-engineered ferroelectric HfO 2: A next step moves forward by multiscale structural optimization

F Yan, Y Wu, Y Liu, P Ai, S Liu, S Deng, KH Xue… - Materials …, 2024 - pubs.rsc.org
The discovery of unconventional scale-free ferroelectricity in HfO2-based fluorite thin films
has attracted great attention in recent years for their promising applications in low-power …

Perspective on ferroelectric devices: lessons from interfacial chemistry

K Yang, SH Kim, HW Jeong, DH Lee… - Chemistry of …, 2023 - ACS Publications
Ferroelectric fluorite-structured oxide thin films have attracted increased interest from both
academia and industry because of their superior scalability─ in which their ferroelectric …

Ultrahigh oxygen ion mobility in ferroelectric hafnia

L Ma, J Wu, T Zhu, Y Huang, Q Lu, S Liu - Physical Review Letters, 2023 - APS
Ferroelectrics and ionic conductors are important functional materials, each supporting a
plethora of applications in information and energy technology. The underlying physics …

PEALD deposited aluminum hafnium mixed oxide dielectrics for amorphous-IGZO TFTs

HB Chen, WY Wu, YT Wang, JH Yan, MJ Zhao… - Ceramics …, 2024 - Elsevier
Abstract (Al–Hf) mixed oxide thin films (HfAlO) are attracted by many researchers because of
their outstanding optical and electrical properties compared to hafnium oxide (HfO 2). This …

Impact of Zr substitution on the electronic structure of ferroelectric hafnia

J Huang, GQ Mao, KH Xue, S Yang, F Ye… - Journal of Applied …, 2023 - pubs.aip.org
HfO 2-based dielectrics are promising for nanoscale ferroelectric applications, and the most
favorable material within the family is Zr-substituted hafnia, ie, Hf 1− x Zr x O 2 (HZO). The …

Substrate temperature effects on PEALD HfAlO dielectric films for IGZO-TFT applications

HB Chen, CH Hsu, WY Wu, WZ Zhang, J Zhang… - Applied Surface …, 2024 - Elsevier
Aluminum incorporated hafnium oxide (HfAlO) has garnered significant attention due to its
high dielectric constant. The present study employs supercycle plasma-enhanced atomic …

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 …

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 …