Retention Improvement of HZO-Based Ferroelectric Capacitors with TiO2 Insets

AA Koroleva, AG Chernikova, SS Zarubin… - ACS …, 2022 - ACS Publications
The influence of the bottom TiO2 interfacial layer grown by atomic layer deposition on the
ferroelectric properties of the TiN/Hf0. 5Zr0. 5O2/TiN capacitors is systematically …

Flexible ferroelectric hafnia-based synaptic transistor by focused-microwave annealing

H Joh, M Jung, J Hwang, Y Goh, T Jung… - ACS Applied Materials …, 2021 - ACS Publications
Hafnia-based ferroelectric memory devices with excellent ferroelectricity, low power
consumption, and fast operation speed have attracted considerable interest with the ever …

Enhanced Ferroelectricity in Hf‐Based Ferroelectric Device with ZrO2 Regulating Layer

Y Liu, T Wang, Z Li, J Yu, J Meng, K Xu… - Advanced Electronic …, 2023 - Wiley Online Library
HfAlO film‐based ferroelectric memory is a strong contender for the next‐generation
nonvolatile memories. However, the remanent polarization intensity of HfAlO films is small …

Sharp Transformation across Morphotropic Phase Boundary in Sub‐6 nm Wake‐Up‐Free Ferroelectric Films by Atomic Layer Technology

CH Chuang, TY Wang, CY Chou, SH Yi… - Advanced …, 2023 - Wiley Online Library
Atomic layer engineering is investigated to tailor the morphotropic phase boundary (MPB)
between antiferroelectric, ferroelectric, and paraelectric phases. By increasing the HfO2 …

Low-thermal-budget (300° C) ferroelectric TiN/Hf0. 5Zr0. 5O2/TiN capacitors realized using high-pressure annealing

SJ Kim, YC Jung, J Mohan, HJ Kim, SM Rho… - Applied Physics …, 2021 - pubs.aip.org
In this Letter, a high-pressure annealing (HPA) process is proposed as a way to reduce the
thermal budget of Hf 0.5 Zr 0.5 O 2 (HZO) thin films with ferroelectric behaviors. The low …

Interfacial layer engineering in sub-5-nm HZO: Enabling low-temperature process, low-voltage operation, and high robustness

E Yu, X Lyu, M Si, DY Peide… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
For low-voltage reliable operation of ferroelectric devices, the scaling of Hf ZrxO2 (HZO)
thickness () is important. Despite the importance of scaling, ferroelectricity degradation and …

Low-Temperature Growth of Ferroelectric Hf0.5Zr0.5O2 Thin Films Assisted by Deep Ultraviolet Light Irradiation

H Joh, G Anoop, WJ Lee, D Das, JY Lee… - ACS Applied …, 2021 - ACS Publications
Low-temperature deposition of inorganic ferroelectric (FE) thin films is highly demanded for
lowering the environmental impact through lesser energy consumption. Doped HfO2-based …

[HTML][HTML] Special topic on ferroelectricity in hafnium oxide: Materials and devices

T Mikolajick, U Schroeder, MH Park - Applied Physics Letters, 2021 - pubs.aip.org
Ferroelectricity is a material property that enables a large variety of device applications like
nonvolatile memories, variable capacitors, sensors, actuators, and energy …

Precrystallization Engineering of Hf0.5Zr0.5O2 Film in Back-End-of-Line Compatible Ferroelectric Device for Enhanced Remnant Polarization and Endurance

Y Wang, Y Yang, P Jiang, S Lv, B Wang… - IEEE Electron …, 2023 - ieeexplore.ieee.org
High-performance ferroelectric devices compatible with the Back-End-of-Line (BEOL)
process are necessary for their mass production and application. In this letter, pre …

Low Voltage High Polarization by Optimizing Scavenged WNx Interfacial Capping Layer at the Ru/HfxZr1‐xO2 Interface and Evidence of Fatigue Mechanism

A Aich, A Senapati, ZF Lou, YP Chen… - Advanced Materials …, 2024 - Wiley Online Library
In this study, the double remnant polarization (2Pr) is enhanced from≈ 2 to 25 µC cm− 2 at a
low applied voltage of±2 V (or from 10 to 35 µC cm− 2 at a voltage of±4 V) by decreasing the …