Review on the microstructure of ferroelectric hafnium oxides

M Lederer, D Lehninger, T Ali… - physica status solidi …, 2022 - Wiley Online Library
Ferroelectric hafnium oxide is of major interest for a multitude of applications in
microelectronics, ranging from neuromorphic devices to actuators and sensors. While the …

Advantages and developments of Raman spectroscopy for electroceramics

M Deluca, H Hu, MN Popov, J Spitaler… - Communications …, 2023 - nature.com
Despite being applied with success in many fields of materials science, Raman
spectroscopy is not yet determinant in the study of electroceramics. Recent experimental …

Infrared Signatures for Phase Identification in Hafnium Oxide Thin Films

ST Jaszewski, S Calderon, B Shrestha, SS Fields… - ACS …, 2023 - ACS Publications
Phase identification in HfO2-based thin films is a prerequisite to understanding the
mechanisms stabilizing the ferroelectric phase in these materials, which hold great promise …

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 …

Ferroelectric Orthorhombic ZrO2 Thin Films Achieved Through Nanosecond Laser Annealing

APS Crema, MC Istrate, A Silva, V Lenzi… - Advanced …, 2023 - Wiley Online Library
A new approach for the stabilization of the ferroelectric orthorhombic ZrO2 films is
demonstrated through nanosecond laser annealing (NLA) of as‐deposited Si/SiOx/W (14 …

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 …

Electrical investigation of wake-up in high endurance fatigue-free La and Y doped HZO metal–ferroelectric–metal capacitors

AM Walke, MI Popovici, K Banerjee… - … on Electron Devices, 2022 - ieeexplore.ieee.org
High endurance of 10 11 cycles is demonstrated in~ 9–10-nm stoichiometric Hafnium
Zirconate (HZO) metal–ferroelectric–metal (MFM) capacitors deposited using Cl precursors …

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 …

Ferroelectric ZrO 2 phases from infrared spectroscopy

A El Boutaybi, R Cervasio, A Degezelle… - Journal of Materials …, 2023 - pubs.rsc.org
We investigate ferroelectric thin films of ZrO2 experimentally and theoretically using infrared
(IR) absorption spectroscopy coupled with density functional theory (DFT) calculations. The …

Using Raman spectroscopy and x-ray diffraction for phase determination in ferroelectric mixed Hf1− xZrxO2-based layers

U Schroeder, R Sachdeva, PD Lomenzo, B Xu… - Journal of Applied …, 2022 - pubs.aip.org
The discovery of ferroelectric properties in the doped HfO2 and mixed Hf1− xZrxO2 systems
made precise phase determination very important. However, due to the similarities of the …