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- Title
Switching Dynamics and Energy Storage Properties of Fluorite‐Structured Materials.
- Authors
Ali, Faizan; Ali, Tarek; Abbas, Akmal; Lehninger, David; Iqbal, Muhammad Faisal; Fadhali, Mohammed M.; Shaaban, Ibrahim A.; Czernohorsky, Malte; Seidel, Konrad; Kämpfe, Thomas
- Abstract
The fluorite‐structural ferroelectric (FE) and antiferroelectric (AFE) materials exhibit promising applications in memories and energy storage devices. However, understanding frequency‐dependent polarization and phase switching, which is very important for electronic device performance, is still a critical problem. Herein, frequency‐dependent polarization and phase switching of the Si‐doped HfO2‐based metal–dielectric–metal capacitors with FE and AFE‐like thin films, respectively, are investigated. The Kolmogorov–Avrami–Ishibashi (KAI) and nucleation‐limited switching models are used to attain detailed information on polarization switching of Si‐doped HfO2 FE thin films. Moreover, energy storage properties of Si‐doped HfO2 AFE thin films are investigated at a wide measurement frequency range (50 Hz–100 kHz). Both energy storage density and energy storage efficiency decrease with increasing frequency. However, energy loss increases with increasing testing frequency.
- Subjects
ENERGY storage; ENERGY dissipation; ENERGY density; THIN films; PHASE transitions; FERROELECTRIC thin films; ENERGY storage equipment
- Publication
Physica Status Solidi. A: Applications & Materials Science, 2023, Vol 220, Issue 1, p1
- ISSN
1862-6300
- Publication type
Article
- DOI
10.1002/pssa.202200403