Stress-Induced Ferroelectricity in Hafnium Oxide Core-Shell Nanoparticles

arXiv:2602.09262 · cond-mat.mtrl-sci, cond-mat.mes-hall · Submitted 2026-02-09 · Read on arXiv

cond-mat.mtrl-sci, cond-mat.mes-hall

Submitted: 2026-02-09

Updated: 2026-09-19

Comments: 39 pages, including 4 figures and Supplementary Materials

License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/

Terminology

• Core — 87× in this paper · explained in 2 episodes
• Hysteresis — 3× in this paper · explained in 3 episodes
• Ab Initio — 2× in this paper · explained in 1 episode
• Anisotropy — 2× in this paper · explained in 3 episodes
• Accuracy — 1× in this paper · explained in 1 episode
• DFT Calculations — 1× in this paper · explained in 2 episodes

Sources

• Sub-nm2 ferroelectric domains via charged 180 degree walls in ZrO2
• Extrinsic nature of the polarization in hafnia ferroelectrics
• Direct observation of cation-dependent polarisation switching dynamics in fluorite ferroelectrics
• Competing phases of HfO$_2$ from unstable flat phonon bands of an unconventional high-symmetry structure
• On-demand phase-field modeling: Three-dimensional Landau energy for HfO2 through machine learning
• Sizes of Ferroelectricity Appearance and Disappearence in Nanosized Hafnia-Zirconia:Landau-type Theory
• Triggered ferroelectricity in HfO$_2$ from hybrid phonons and higher-order dynamical charges
• Ferroic Polarization from Nonpolar Phonons

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