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 …

Interplay between oxygen defects and dopants: effect on structure and performance of HfO 2-based ferroelectrics

M Materano, PD Lomenzo, A Kersch… - Inorganic Chemistry …, 2021 - pubs.rsc.org
Ten years after the first report on ferroelectricity in HfO2, researchers are still occupied
unraveling the different causes behind this phenomenon. Among them, oxygen related …

Reversible oxygen migration and phase transitions in hafnia-based ferroelectric devices

P Nukala, M Ahmadi, Y Wei, S De Graaf, E Stylianidis… - Science, 2021 - science.org
Unconventional ferroelectricity exhibited by hafnia-based thin films—robust at nanoscale
sizes—presents tremendous opportunities in nanoelectronics. However, the exact nature of …

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 …

Origin of ferroelectric phase stabilization via the clamping effect in ferroelectric hafnium zirconium oxide thin films

SS Fields, T Cai, ST Jaszewski… - Advanced Electronic …, 2022 - Wiley Online Library
The presence of the top electrode on hafnium oxide‐based thin films during processing has
been shown to drive an increase in the amount of metastable ferroelectric orthorhombic …

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 …

Structural Polymorphism Kinetics Promoted by Charged Oxygen Vacancies in

LY Ma, S Liu - Physical Review Letters, 2023 - APS
Defects such as oxygen vacancy are widely considered to be critical for the performance of
ferroelectric HfO 2-based devices, and yet atomistic mechanisms underlying various exotic …

Temperature‐Dependent Phase Transitions in HfxZr1‐xO2 Mixed Oxides: Indications of a Proper Ferroelectric Material

U Schroeder, T Mittmann, M Materano… - Advanced Electronic …, 2022 - Wiley Online Library
Abstract Knowledge about phase transitions in doped HfO2 and ZrO2‐based films is crucial
for developing future ferroelectric devices. These devices should perform in ambient …

Excellent Reliability and High-Speed Antiferroelectric HfZrO2 Tunnel Junction by a High-Pressure Annealing Process and Built-In Bias Engineering

Y Goh, J Hwang, S Jeon - ACS Applied Materials & Interfaces, 2020 - ACS Publications
Hafnia-based ferroelectric tunnel junctions (FTJs) have great potential for use in logic in
nonvolatile memory because of their complementary metal–oxide–semiconductor process …

High polarization and wake-up free ferroelectric characteristics in ultrathin Hf0. 5Zr0. 5O2 devices by control of oxygen-deficient layer

M Yadav, A Kashir, S Oh, RD Nikam, H Kim… - …, 2021 - iopscience.iop.org
The formation of an interfacial layer is believed to affect the ferroelectric properties in HfO 2
based ferroelectric devices. The atomic layer deposited devices continue suffering from a …