The fundamentals and applications of ferroelectric HfO2

U Schroeder, MH Park, T Mikolajick… - Nature Reviews …, 2022 - nature.com
Since the first report of ferroelectricity in a Si-doped HfO2 film in 2011, HfO2-based materials
have attracted much interest from the ferroelectric materials and devices community …

Review and perspective on ferroelectric HfO2-based thin films for memory applications

MH Park, YH Lee, T Mikolajick, U Schroeder… - Mrs …, 2018 - cambridge.org
The ferroelectricity in fluorite-structure oxides such as hafnia and zirconia has attracted
increasing interest since 2011. They have various advantages such as Si-based …

The past, the present, and the future of ferroelectric memories

T Mikolajick, U Schroeder… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
Ferroelectric materials are characterized by two stable polarization states that can be
switched from one to another by applying an electrical field. As one of the most promising …

A rhombohedral ferroelectric phase in epitaxially strained Hf0.5Zr0.5O2 thin films

Y Wei, P Nukala, M Salverda, S Matzen, HJ Zhao… - Nature materials, 2018 - nature.com
Hafnia-based thin films are a favoured candidate for the integration of robust ferroelectricity
at the nanoscale into next-generation memory and logic devices. This is because their …

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 …

Ferroelectricity and Antiferroelectricity of Doped Thin HfO2‐Based Films

MH Park, YH Lee, HJ Kim, YJ Kim, T Moon… - Advanced …, 2015 - Wiley Online Library
The recent progress in ferroelectricity and antiferroelectricity in HfO2‐based thin films is
reported. Most ferroelectric thin film research focuses on perovskite structure materials, such …

Ferroelectric Hf0.5Zr0.5O2 Thin Films: A Review of Recent Advances

SJ Kim, J Mohan, SR Summerfelt, J Kim - Jom, 2019 - Springer
Ferroelectricity in HfO 2-based materials, especially Hf 0.5 Zr 0.5 O 2 (HZO), is today one of
the most attractive topics because of its wide range of applications in ferroelectric random …

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 …

Stabilizing the ferroelectric phase in doped hafnium oxide

M Hoffmann, U Schroeder, T Schenk… - Journal of Applied …, 2015 - pubs.aip.org
The ferroelectric properties and crystal structure of doped HfO 2 thin films were investigated
for different thicknesses, electrode materials, and annealing conditions. Metal-ferroelectric …

Lanthanum-doped hafnium oxide: a robust ferroelectric material

U Schroeder, C Richter, MH Park, T Schenk… - Inorganic …, 2018 - ACS Publications
Recently simulation groups have reported the lanthanide series elements as the dopants
that have the strongest effect on the stabilization of the ferroelectric non-centrosymmetric …