[HTML][HTML] Progress and perspective on different strategies to achieve wake-up-free ferroelectric hafnia and zirconia-based thin films

JPB Silva, KC Sekhar, RF Negrea… - Applied Materials …, 2022 - Elsevier
In the last decade orthorhombic hafnia and zirconia films have attracted tremendous
attention arising from the discovery of ferroelectricity at the nanoscale. However, an initial …

Ferroelectricity of hafnium oxide-based materials: Current status and future prospects from physical mechanisms to device applications

W Yang, C Yu, H Li, M Fan, X Song, H Ma… - Journal of …, 2023 - iopscience.iop.org
The finding of the robust ferroelectricity in HfO 2-based thin films is fantastic from the view
point of both the fundamentals and the applications. In this review article, the current …

Evolution of the Interfacial Layer and Its Impact on Electric-Field-Cycling Behaviors in Ferroelectric Hf1–xZrxO2

F Zhang, ZD Luo, Q Yang, J Zhou, J Wang… - … Applied Materials & …, 2022 - ACS Publications
Doped HfO2 thin films, which exhibit robust ferroelectricity even with aggressive thickness
scaling, could potentially enable ultralow-power logic and memory devices. The ferroelectric …

CMOS-compatible fabrication of low-power ferroelectric tunnel junction for neural network applications

YS Kuo, SY Lee, CC Lee, SW Li… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
A low-cost fabrication process of Hf Zr x O 2 (HZO) nonvolatile memory (NVM) was proposed
and its characteristics were investigated. We successfully fabricated a ferroelectric tunnel …

Enhanced Reliability, Switching Speed and Uniformity for Ferroelectric HfZrOx on Epitaxial Ge Film by Post Deposition Annealing for Oxygen Vacancy Control

HK Peng, CY Chiu, YC Kao, PJ Wu… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
Instead of employing post metal annealing (PMA), post deposition annealing (PDA) was
proposed to crystalize HfZrO x (HZO) into the ferroelectric phase on an epitaxial Ge film with …

Improvement of ferroelectricity and endurance in Sr doped Hf0. 5Zr0. 5O2 films

L Yin, S Gong, X Li, B Lu, Q Peng, S Zheng… - Journal of Alloys and …, 2022 - Elsevier
Abstract The do** of Hf 0.5 Zr 0.5 O 2 has attracted increasing attention because of the
further regulation of structure and ferroelectric properties. Here, Sr doped Hf 0.5 Zr 0.5 O 2 …

Recent progress of hafnium oxide-based ferroelectric devices for advanced circuit applications

Z Zhang, G Tian, J Huo, F Zhang, Q Zhang… - Science China …, 2023 - Springer
Hafnium oxide-based ferroelectric field-effect-transistors (FeFET), which combine super-
steep logical switching and low power non-volatile memory functions, have significant …

High-Performance Operation and Solder Reflow Compatibility in BEOL-Integrated 16-kb HfO2: Si-Based 1T-1C FeRAM Arrays

T Francois, J Coignus, A Makosiej… - … on Electron Devices, 2022 - ieeexplore.ieee.org
16-kb 1T-1C ferroelectric random access memory (FeRAM) arrays are demonstrated for 130-
nm node technology with TiN/HfO 2: Si/TiN ferroelectric capacitors integrated into the back …

Optimization of the 4 nm-Thick Hf1–xZrxO2 Film with Low Operating Voltage and High Endurance for Ferroelectric Random Access Memory

HS Park, S Choi, KD Kim, MK Yeom… - ACS Applied …, 2024 - ACS Publications
The integration of ferroelectric-doped HfO2 thin films in advanced memory has been
impeded by high coercive fields (EC), requiring high operation voltages. The extremely …

Temperature-dependent field cycling behavior of ferroelectric hafnium zirconium oxide (HZO) MFM capacitors

S **dal, SK Manhas, S Balatti… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
In this article, we study the field cycling behavior of ALD-deposited ferroelectric Hf 0.5 Zr 0.5
O 2 with TiN as the top and bottom electrodes on the silicon substrate. We investigate the …