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July 12, 2026Journal of Advanced DielectricsOpen Access

Misorientation angle effects on shear stripes in textured ferroelectric ceramics under compression

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Authors

BZBoyu ZuoXLXuhui LouYCYu Chen

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Overview

Molecular dynamics simulations demonstrate how misorientation angles affect shear stripes and polarization retention in ferroelectric ceramics, suggesting design improvements.

Key Points

  • This research investigates the influence of grain-boundary misorientation angles on shear stripe formation and polarization retention in ferroelectric ceramics.
  • Conducted large-scale molecular dynamics simulations on BaTiO3 bicrystals with misorientation angles from 0° to 40° under uniaxial compression.
  • Applied electric-field loading to evaluate polarization retention in deformed bicrystals and textured polycrystals.
  • At misorientation angle θ = 5°, shear embryos formed continuous stripes, maintaining high polarization retention up to 25% strain.
  • Higher misorientation angles delayed connectivity of stripes, leading to decreased polarization retention and earlier loss of polarization.

Cite This Study

Zuo et al. (2026) studied this question.

synapsesocial.com/papers/6a5331ce4f7abc118adeda4ahttps://doi.org/10.1142/s2010135x26500244
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