Progress in computational understanding of ferroelectric mechanisms in HfO2

T Zhu, L Ma, S Deng, S Liu - npj Computational Materials, 2024 - nature.com
Since the first report of ferroelectricity in nanoscale HfO2-based thin films in 2011, this silicon-
compatible binary oxide has quickly garnered intense interest in academia and industry, and …

Two-dimensional van der Waals ferroelectrics: A pathway to next-generation devices in memory and neuromorphic computing

H Zhao, J Yun, Z Li, Y Liu, L Zheng, P Kang - Materials Science and …, 2024 - Elsevier
The rapid increase in CPU processing speeds has significantly advanced artificial
intelligence, yet it has also exacerbated the disparity in CPU utilization and data throughput …

Roadmap on ferroelectric hafnia-and zirconia-based materials and devices

JPB Silva, R Alcala, UE Avci, N Barrett, L Bégon-Lours… - APL Materials, 2023 - pubs.aip.org
Ferroelectric hafnium and zirconium oxides have undergone rapid scientific development
over the last decade, pushing them to the forefront of ultralow-power electronic systems …

Unconventional Polarization-Switching Mechanism in Ferroelectrics and Its Implications

Y Wu, Y Zhang, J Jiang, L Jiang, M Tang, Y Zhou… - Physical Review Letters, 2023 - APS
HfO 2-based ferroelectric thin films are promising for their application in ferroelectric devices.
Predicting the ultimate magnitude of polarization and understanding its switching …

Impact of Hafnium Do** on Phase Transition, Interface, and Reliability Properties of ZrxHf1–xO2-Based Capacitors

P Vishnumurthy, B Xu, F Wunderwald… - ACS Applied …, 2024 - ACS Publications
Zirconium oxide and zirconium-rich Zr x Hf1–x O2 thin films have attracted attention owing to
their switching stability and significant promise for commercial applications such as high …

[HTML][HTML] HfO2-based ferroelectric thin film and memory device applications in the post-Moore era: A review

J Liao, S Dai, RC Peng, J Yang, B Zeng, M Liao… - Fundamental …, 2023 - Elsevier
The rapid development of 5G, big data, and Internet of Things (IoT) technologies is urgently
required for novel non-volatile memory devices with low power consumption, fast read/write …

[HTML][HTML] Flexoelectricity-stabilized ferroelectric phase with enhanced reliability in ultrathin La: HfO2 films

P Jiao, H Cheng, J Li, H Chen, Z Liu, Z **… - Applied Physics …, 2023 - pubs.aip.org
Doped HfO 2 thin films exhibit robust ferroelectric properties even for nanometric
thicknesses, are compatible with current Si technology, and thus have great potential for the …

Unique switching mode of HfO 2 among fluorite-type ferroelectric candidates

GQ Mao, H Yu, KH Xue, J Huang, Z Zhou… - Journal of Materials …, 2024 - pubs.rsc.org
As a technically significant dielectric, the physical understanding of ferroelectric hafnia is still
not satisfactory. This is partly due to the limited number of sample materials in the fluorite …

Disentangling stress and strain effects in ferroelectric HfO2

T Song, V Lenzi, JPB Silva, L Marques, I Fina… - Applied Physics …, 2023 - pubs.aip.org
Ferroelectric HfO 2 films are usually polycrystalline and contain a mixture of polar and
nonpolar phases. This challenges the understanding and control of polar phase stabilization …

Effect of oxygen partial pressure on phase, local structure and photoluminescence properties of Hf (1-x) YxO2 thin films prepared by pulsed laser deposition

M Nand, P Rajput, S Tripathi, M Kumar, Y Kumar… - Vacuum, 2024 - Elsevier
Abstract Hf (1-x) Y x O 2 (x= 0, 0.10, 0.15, 0.20) epitaxial thin films on YSZ (100) substrate
were prepared at different oxygen (O 2) partial pressures (100, 70, 30, and 10 sccm) by …