Influence of Biaxial Strain and Interfacial Layer Growth on Ferroelectric Wake-Up and Phase Transition Fields in ZrO2

B Xu, R Ganser, KM Holsgrove, X Wang… - … Applied Materials & …, 2024 - ACS Publications
Investigations on fluorite-structured ferroelectric HfO2/ZrO2 thin films are aiming to achieve
high-performance films required for memory and computing technologies. These films …

Back-End-of-Line Compatible HfO2/ZrO2 Superlattice Ferroelectric Capacitor With High Endurance and Remnant Polarization

B Cui, X Wang, Y Li, M Wu, Y Wu, J Liu… - IEEE Electron …, 2023 - ieeexplore.ieee.org
The hafnium-zirconium oxide (HZO) has been reported to be a promising candidate for low-
power VLSI logic and memory applications. However, the demand for high processing …

Controlled ferroelectric switching in ultrawide bandgap AlN/ScAlN multilayers

D Wang, P Wang, S Mondal, J Liu, M Hu, M He… - Applied Physics …, 2023 - pubs.aip.org
Ultrawide bandgap ferroelectric nitride semiconductors have shown promising applications
in electronic, micromechanical, and optical devices. Current studies, however, have largely …

Interface engineering for facile switching of bulk-strong polarization in Si-compatible vertical superlattices

P Kumar, JH Lee - Scientific Reports, 2024 - nature.com
Ferroelectric thin films incorporating different compositional layers have emerged as a
promising approach for enhancing properties and performance of electronic devices. In …

Dynamic evolution of oxygen vacancies during cycling in antiferroelectric HfxZr1− xO2

H Qian, R Shen, H Zhang, J Xu, G Lin, Y Ding… - Applied Physics …, 2024 - pubs.aip.org
Antiferroelectric (AFE) ZrO 2-based devices are anticipated to exhibit superior endurance
properties in comparison to their ferroelectric (FE) counterparts. Nevertheless, the …

First-principles predictions of HfO2-based ferroelectric superlattices

B Mukherjee, NS Fedorova… - npj Computational …, 2024 - nature.com
The metastable nature of the ferroelectric phase of HfO2 is a significant impediment to its
industrial application as a functional ferroelectric material. In fact, no polar phases exist in …

Anti-Ferroelectric ZrO Capacitors With Ultralow Operating Voltage (1.2 V) and Improved Endurance Toward Logic Compatible eDRAM

J Xu, M Ma, R Shen, H Qian, G Lin, J Gu… - … on Electron Devices, 2024 - ieeexplore.ieee.org
We have developed and experimentally demonstrated anti-ferroelectric (AFE) ZrO2
capacitors with operating voltage () lower than 1.2 V while maintaining sufficient memory …

Ferroelectric tunnel junctions based on a HfO2/dielectric composite barrier

Z Wu, T Duan, Z Tian, Y Jiang, Y Zhou, J Jiang… - Applied Physics …, 2024 - pubs.aip.org
The ferroelectric tunnel junction (FTJ), which possesses a simple structure, low power
consumption, high operation speed, and nondestructive reading, has attracted great …

[HTML][HTML] The origin of memory window closure with bipolar stress cycling in silicon ferroelectric field-effect-transistors

M Passlack, N Tasneem, C Park… - Journal of Applied …, 2024 - pubs.aip.org
A comprehensive quantitative root cause study of defect evolution leading to memory
window closure from a charge balance and charge trap** perspective throughout all …

Hybrid improper ferroelectricity in a Si-compatible CeO2/HfO2 artificial superlattice

P Kumar, JH Lee - npj Computational Materials, 2024 - nature.com
Hybrid improper ferroelectrics (HIFs), characterized by ferroelectric polarization arising from
the rotation of two symmetry inequivalent antiferrodistortive modes, exhibit exotic properties …