HfO2-based ferroelectrics: From enhancing performance, material design, to applications

H Chen, X Zhou, L Tang, Y Chen, H Luo… - Applied Physics …, 2022 - pubs.aip.org
Nonvolatile memories are in strong demand due to the desire for miniaturization, high-speed
storage, and low energy consumption to fulfill the rapid developments of big data, the …

Many routes to ferroelectric HfO2: A review of current deposition methods

HA Hsain, Y Lee, M Materano, T Mittmann… - Journal of Vacuum …, 2022 - pubs.aip.org
Although 10 years have passed since the initial report of ferroelectricity in hafnia (HfO 2),
researchers are still intensely fascinated by this material system and the promise it holds for …

Ultrathin ferroic HfO2–ZrO2 superlattice gate stack for advanced transistors

SS Cheema, N Shanker, LC Wang, CH Hsu, SL Hsu… - Nature, 2022 - nature.com
With the scaling of lateral dimensions in advanced transistors, an increased gate
capacitance is desirable both to retain the control of the gate electrode over the channel and …

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 …

Review of defect chemistry in fluorite-structure ferroelectrics for future electronic devices

MH Park, DH Lee, K Yang, JY Park, GT Yu… - Journal of Materials …, 2020 - pubs.rsc.org
Ferroelectricity in fluorite-structure oxides, such as (doped) HfO2 and ZrO2, and their solid
solution, nanolaminates, and superlattices has attracted increasing interest for future …

[HTML][HTML] Ultra-thin ferroelectrics

H Qiao, C Wang, WS Choi, MH Park, Y Kim - Materials Science and …, 2021 - Elsevier
Device applications of ferroelectrics have not only utilized the switchable polarization but
also adopted myriads of emerging physical properties. In particular, ferroelectrics in ultra …

[HTML][HTML] Domains and domain dynamics in fluorite-structured ferroelectrics

DH Lee, Y Lee, K Yang, JY Park, SH Kim… - Applied Physics …, 2021 - pubs.aip.org
Ferroelectricity in fluorite-structured ferroelectrics such as HfO 2 and ZrO 2 has been
attracting increasing interest since its first publication in 2011. Fluorite-structured …

Advances in dielectric thin films for energy storage applications, revealing the promise of group IV binary oxides

JPB Silva, KC Sekhar, H Pan… - ACS Energy …, 2021 - ACS Publications
Among currently available energy storage (ES) devices, dielectric capacitors are optimal
systems owing to their having the highest power density, high operating voltages, and a long …

[HTML][HTML] A perspective on semiconductor devices based on fluorite-structured ferroelectrics from the materials–device integration perspective

JY Park, K Yang, DH Lee, SH Kim, Y Lee… - Journal of Applied …, 2020 - pubs.aip.org
Ferroelectric materials are known to be ideal materials for nonvolatile memory devices,
owing to their two electrically switchable spontaneous polarization states. However …

HfO2-ZrO2 Superlattice Ferroelectric Capacitor With Improved Endurance Performance and Higher Fatigue Recovery Capability

Y Peng, W **ao, Y Liu, C **, X Deng… - IEEE Electron …, 2021 - ieeexplore.ieee.org
HfO 2-ZrO 2 superlattice (SL) ferroelectric (FE) capacitor is demonstrated to have improved
endurance performance and higher fatigue recovery capability compared to the HfZrO x …