What question did this study set out to answer?

The study aims to understand how electrode interfaces and thermal processing affect switching dynamics in ferroelectric Hf 0.5 Zr 0.5 O 2 capacitors.

June 18, 2026Nano Letters

Nucleation-to-Propagation Switching Modes in Ferroelectric Hf 0.5 Zr 0.5 O ₂ Capacitors

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The study aims to understand how electrode interfaces and thermal processing affect switching dynamics in ferroelectric Hf 0.5 Zr 0.5 O 2 capacitors.
Used bias-dependent piezoresponse force microscopy and pulsed switching measurements
Analyzed the effects of different bottom electrodes on polarization reversal
Quantitatively assessed switching kinetics with a modified Kolmogorov–Avrami–Ishibashi framework.
TiN electrodes enabled the fastest polarization reversal due to rapid nucleation and efficient cross-grain propagation.
NbN leads to slower intragrain switching, while MoO 2 significantly hinders ferroelectric switching.
Time constants for nucleation and growth processes were found to be comparable, indicating concurrent activity.

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Implication

This randomized trial investigates polarization reversal mechanisms in nanoscale hafnia-zirconia capacitors, revealing significant insights for materials engineering.

Cite This Study

Buyantogtokh et al. (2026) studied this question.

synapsesocial.com/papers/6a338a8f630953a74978ca75 https://doi.org/10.1021/acs.nanolett.6c01580

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Implication

This randomized trial investigates polarization reversal mechanisms in nanoscale hafnia-zirconia capacitors, revealing significant insights for materials engineering.

Nucleation-to-Propagation Switching Modes in Ferroelectric Hf 0.5 Zr 0.5 O ₂ Capacitors

Key Points

Discussion

Implication

Cite This Study

Nucleation-to-Propagation Switching Modes in Ferroelectric Hf 0.5 Zr 0.5 O ₂ Capacitors

Key Points

Discussion

Implication

Cite This Study

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