HfO2-based ferroelectrics: From enhancing performance, material design, to applications

H Chen, X Zhou, L Tang, Y Chen, H Luo… - Applied Physics …, 2022 - pubs.aip.org
Nonvolatile memories are in strong demand due to the desire for miniaturization, high-speed
storage, and low energy consumption to fulfill the rapid developments of big data, the …

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 …

In operando optical tracking of oxygen vacancy migration and phase change in few nanometers ferroelectric HZO memories

A Jan, T Rembert, S Taper… - Advanced Functional …, 2023 - Wiley Online Library
Ferroelectric materials offer a low‐energy, high‐speed alternative to conventional logic and
memory circuitry. Hafnia‐based films have achieved single‐digit nm ferroelectricity, enabling …

Efficient and stable perovskite‐based photocathode for photoelectrochemical hydrogen production

JH Kim, S Seo, JH Lee, H Choi, S Kim… - Advanced Functional …, 2021 - Wiley Online Library
Although organometal halide perovskites (OHPs) have desirable photovoltaic properties,
their photoelectrochemical (PEC) water‐splitting application for hydrogen production is …

Interplay between Strain and Defects at the Interfaces of Ultra‐Thin Hf0.5Zr0.5O2‐Based Ferroelectric Capacitors

G Segantini, B Manchon… - Advanced Electronic …, 2023 - Wiley Online Library
Hafnium zirconium oxide (HZO) is an ideal candidate for the implementation of ferroelectric
memristive devices, due to its compatibility with the complementary metal‐oxide …

Wake-up-free properties and high fatigue resistance of HfxZr1− xO2-based metal–ferroelectric–semiconductor using top ZrO2 nucleation layer at low thermal budget …

T Onaya, T Nabatame, M Inoue, T Sawada, H Ota… - APL Materials, 2022 - pubs.aip.org
The discovery of ferroelectricity in HfO2-based thin films in 2011 1, 2 introduced the
possibility of integrating and scaling ferroelectric memory devices with three-dimensional …

Wake-up-mitigated giant ferroelectricity in Hf0. 5Zr0. 5O2 thin films through oxygen-providing, surface-oxidized W electrode

K Yang, GY Kim, JJ Ryu, DH Lee, JY Park… - Materials Science in …, 2023 - Elsevier
Abstract The ferroelectricity of Hf 0.5 Zr 0.5 O 2 thin films makes them good candidate
materials for current and future electronic devices. To maximize the remanent polarization of …

Mitigation of field-driven dynamic phase evolution in ferroelectric Hf0. 5Zr0. 5O2 films by adopting oxygen-supplying electrode

Y Lee, SH Kim, HW Jeong, GH Park, J Lee… - Applied Surface …, 2024 - Elsevier
Abstract Ferroelectricity in (Hf, Zr) O 2 films under 10 nm has been correlated with various
factors, including dopant, oxygen deficiency, strain, and surface energy. Owing to their …

Stress-memorized HZO for high-performance ferroelectric field-effect memtransistor

SH Tsai, Z Fang, X Wang, U Chand… - ACS Applied …, 2022 - ACS Publications
A ferroelectric field-effect transistor (FeFET), capable of logic and memory functionalities in a
single device, is a promising three-terminal memtransistor that enables high-performance in …

Low‐thermal‐budget fluorite‐structure ferroelectrics for future electronic device applications

HJ Kim, Y An, YC Jung, J Mohan… - physica status solidi …, 2021 - Wiley Online Library
Since the first report on the unexpected ferroelectricity of fluorite‐structure oxides in 2011,
this topic has provided a pathway for new research directions and opportunities. Based on …