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 …

Influence of Si-Doping on 45 nm Thick Ferroelectric ZrO2 Films

B Xu, PD Lomenzo, A Kersch, T Mikolajick… - ACS Applied …, 2022 - ACS Publications
In the last decades, ferroelectricity has been discovered in Si-doped HfO2 and Hf1–x Zr x O2
thin films, and the origin of ferroelectricity is considered to be the presence of the polar Pca …

A ferroelectric-gate fin microwave acoustic spectral processor

F Hakim, NG Rudawski, T Tharpe, R Tabrizian - Nature Electronics, 2024 - nature.com
Wireless communication through dynamic spectrum allocation is essential to accommodate
increasing data traffic. This requires massive arrays of radiofrequency filters for adaptive …

High Quality Factors in Superlattice Ferroelectric Hf0.5Zr0.5O2 Nanoelectromechanical Resonators

XQ Zheng, T Tharpe… - … Applied Materials & …, 2022 - ACS Publications
The discovery of ferroelectricity and advances in creating polar structures in atomic-layered
hafnia-zirconia (Hf x Zr1–x O2) films spur the exploration of using the material for novel …

Role of Oxygen Source on Buried Interfaces in Atomic-Layer-Deposited Ferroelectric Hafnia–Zirconia Thin Films

HA Hsain, Y Lee, S Lancaster… - … Applied Materials & …, 2022 - ACS Publications
Hafnia–zirconia (HfO2–ZrO2) solid solution thin films have emerged as viable candidates for
electronic applications due to their compatibility with Si technology and demonstrated …

Strain as a Global Factor in Stabilizing the Ferroelectric Properties of ZrO2

B Xu, PD Lomenzo, A Kersch, T Schenk… - Advanced Functional …, 2024 - Wiley Online Library
Since the discovery of ferroelectricity in doped HfO2 and ZrO2 thin films over a decade ago,
fluorite‐structured ferroelectric thin films have attracted much research attention due to their …

[HTML][HTML] Wake-up and fatigue mechanisms in ferroelectric Hf0. 5Zr0. 5O2 films with symmetric RuO2 electrodes

SS Fields, SW Smith, ST Jaszewski, T Mimura… - Journal of Applied …, 2021 - pubs.aip.org
The mechanisms leading to wake-up and fatigue in ferroelectric hafnium zirconium oxide
thin film devices with symmetric RuO 2 electrodes are investigated via polarization, relative …

Applied in-plane strain effects on the polarization response of ferroelectric hafnium zirconium oxide thin films

JF Ihlefeld, T Peters, ST Jaszewski, T Mimura… - Applied Physics …, 2023 - pubs.aip.org
The influence of biaxial stress on the maximum and remanent polarizations of 10 nm thick
hafnium zirconium oxide thin films in metal–ferroelectric–metal capacitor structures has …

Metal Nitride Electrode Stress and Chemistry Effects on Phase and Polarization Response in Ferroelectric Hf0.5Zr0.5O2 Thin Films

SS Fields, SW Smith, CM Fancher… - Advanced Materials …, 2021 - Wiley Online Library
Ferroelectric phase stability in hafnium oxide is reported to be influenced by factors that
include composition, biaxial stress, crystallite size, and oxygen vacancies. In the present …