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July 8, 2026Advanced Functional Materials

Orientation‐Dependent Polarization Landscapes and Multistate Switching in Relaxor Ferroelectric Thin Films

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Authors

GKGarima KauraDSDorothy SachdevaBGBituraj Gogoi

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Overview

Randomized trial shows polarization control in relaxor ferroelectric films, suggesting new device potential.

Key Points

  • The aim is to explore how crystallographic orientation affects polarization dynamics in relaxor ferroelectric thin films.
  • Epitaxial growth of Ba0.8Sr0.2TiO3 films on SrTiO3 substrates of different orientations
  • Atomic-scale polarization mapping, nonlinear dielectric spectroscopy, Rayleigh analysis, and piezoresponse force microscopy were utilized
  • Thermal studies and frequency-dependent measurements were conducted to assess polarization stability
  • Films on (110) substrates showed a two-step electric field-driven polarization response with sharp switching anomalies.
  • (111) films demonstrated broader, dispersed dielectric responses, indicating different polarization pathways.
  • Quantitative analysis revealed that orientation-controlled extrinsic polarization responses contribute to the observed nonlinear characteristics.

Cite This Study

Kaura et al. (2026) studied this question.

synapsesocial.com/papers/6a4de93fd2ea289ef6283735https://doi.org/10.1002/adfm.76842
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