The fundamentals and applications of ferroelectric HfO2

U Schroeder, MH Park, T Mikolajick… - Nature Reviews …, 2022 - nature.com
Since the first report of ferroelectricity in a Si-doped HfO2 film in 2011, HfO2-based materials
have attracted much interest from the ferroelectric materials and devices community …

Hafnium Oxide (HfO2) – A Multifunctional Oxide: A Review on the Prospect and Challenges of Hafnium Oxide in Resistive Switching and Ferroelectric Memories

W Banerjee, A Kashir, S Kamba - Small, 2022 - Wiley Online Library
Hafnium oxide (HfO2) is one of the mature high‐k dielectrics that has been standing strong
in the memory arena over the last two decades. Its dielectric properties have been …

Emergent ferroelectricity in subnanometer binary oxide films on silicon

SS Cheema, N Shanker, SL Hsu, Y Rho, CH Hsu… - Science, 2022 - science.org
The critical size limit of voltage-switchable electric dipoles has extensive implications for
energy-efficient electronics, underlying the importance of ferroelectric order stabilized at …

Revival of ferroelectric memories based on emerging fluorite‐structured ferroelectrics

JY Park, DH Choe, DH Lee, GT Yu, K Yang… - Advanced …, 2023 - Wiley Online Library
Over the last few decades, the research on ferroelectric memories has been limited due to
their dimensional scalability and incompatibility with complementary metal‐oxide …

Ferroelectric transistors for memory and neuromorphic device applications

IJ Kim, JS Lee - Advanced Materials, 2023 - Wiley Online Library
Ferroelectric materials have been intensively investigated for high‐performance nonvolatile
memory devices in the past decades, owing to their nonvolatile polarization characteristics …

Roadmap on ferroelectric hafnia-and zirconia-based materials and devices

JPB Silva, R Alcala, UE Avci, N Barrett, L Bégon-Lours… - APL Materials, 2023 - pubs.aip.org
Ferroelectric hafnium and zirconium oxides have undergone rapid scientific development
over the last decade, pushing them to the forefront of ultralow-power electronic systems …

Nanoelectromechanical resonators for gigahertz frequency control based on hafnia–zirconia–alumina superlattices

T Tharpe, E Hershkovitz, F Hakim, H Kim… - Nature Electronics, 2023 - nature.com
Many electronic systems depend on microelectromechanical system and
nanoelectromechanical system resonators for frequency control applications such as clock …

Neuromorphic devices based on fluorite‐structured ferroelectrics

DH Lee, GH Park, SH Kim, JY Park, K Yang… - InfoMat, 2022 - Wiley Online Library
A continuous exponential rise has been observed in the storage and processing of the data
that may not curtail in the foreseeable future. The required data processing speed and …

Ferroelectric freestanding hafnia membranes with metastable rhombohedral structure down to 1-nm-thick

Y Shen, K Ooe, X Yuan, T Yamada… - Nature …, 2024 - nature.com
Two-dimensional freestanding membranes of materials, which can be transferred onto and
make interfaces with any material, have attracted attention in the search for functional …

A Perspective on ferroelectricity in hafnium oxide: Mechanisms and considerations regarding its stability and performance

JF Ihlefeld, ST Jaszewski, SS Fields - Applied Physics Letters, 2022 - pubs.aip.org
Ferroelectric hafnium oxides are poised to impact a wide range of microelectronic
applications owing to their superior thickness scaling of ferroelectric stability and …