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 …

From ferroelectric material optimization to neuromorphic devices

T Mikolajick, MH Park, L Begon‐Lours… - Advanced …, 2023 - Wiley Online Library
Due to the voltage driven switching at low voltages combined with nonvolatility of the
achieved polarization state, ferroelectric materials have a unique potential for low power …

Highly enhanced ferroelectricity in HfO2-based ferroelectric thin film by light ion bombardment

S Kang, WS Jang, AN Morozovska, O Kwon, Y **… - Science, 2022 - science.org
Continuous advancement in nonvolatile and morphotropic beyond-Moore electronic devices
requires integration of ferroelectric and semiconductor materials. The emergence of hafnium …

Physical Mechanisms behind the Field‐Cycling Behavior of HfO2‐Based Ferroelectric Capacitors

M Pešić, FPG Fengler, L Larcher… - Advanced Functional …, 2016 - Wiley Online Library
Novel hafnium oxide (HfO2)‐based ferroelectrics reveal full scalability and complementary
metal oxide semiconductor integratability compared to perovskite‐based ferroelectrics that …

Reversible transition between the polar and antipolar phases and its implications for wake-up and fatigue in HfO2-based ferroelectric thin film

Y Cheng, Z Gao, KH Ye, HW Park, Y Zheng… - Nature …, 2022 - nature.com
Atomic-resolution Cs-corrected scanning transmission electron microscopy revealed local
shifting of two oxygen positions (OI and OII) within the unit cells of a ferroelectric (Hf0. 5Zr0 …

Review and perspective on ferroelectric HfO2-based thin films for memory applications

MH Park, YH Lee, T Mikolajick, U Schroeder… - Mrs …, 2018 - cambridge.org
The ferroelectricity in fluorite-structure oxides such as hafnia and zirconia has attracted
increasing interest since 2011. They have various advantages such as Si-based …

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 …

Intrinsic ferroelectricity in Y-doped HfO2 thin films

Y Yun, P Buragohain, M Li, Z Ahmadi, Y Zhang, X Li… - Nature Materials, 2022 - nature.com
Ferroelectric HfO2-based materials hold great potential for the widespread integration of
ferroelectricity into modern electronics due to their compatibility with existing Si technology …

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 …

High tunnelling electroresistance in a ferroelectric van der Waals heterojunction via giant barrier height modulation

J Wu, HY Chen, N Yang, J Cao, X Yan, F Liu, Q Sun… - Nature …, 2020 - nature.com
Ferroelectric tunnel junctions use a thin ferroelectric layer as a tunnelling barrier, the height
of which can be modified by switching its ferroelectric polarization. The junctions can offer …