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<p>Simulation was used to study the movement of fluoride ions in a superionic lanthanum trifluoride crystal in the dielectric phase upon dynamic elastic deformation caused by propagation of an acoustic wave with frequency not exceeding 100 MHz. The fluoride ion concentration was found to be significantly enhanced in the tensile region and slightly decreased in the compression region. The ionic conductivity can differ by an order of magnitude in the tensile and compressive zones alternating at intervals equal to the half-length of the acoustic wave leading to the formation of localized superionic phase regions.</p>

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Fluoride Ion Displacement Under Dynamic Deformation in LaF3 Crystals

  • 期刊论文

  • 发表日期：

    2026年1月15日

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  • F. R. Akhmedzhanov,
  • S. Z. Mirzaev,
  • G. S. Nuzhdov

摘要

Simulation was used to study the movement of fluoride ions in a superionic lanthanum trifluoride crystal in the dielectric phase upon dynamic elastic deformation caused by propagation of an acoustic wave with frequency not exceeding 100 MHz. The fluoride ion concentration was found to be significantly enhanced in the tensile region and slightly decreased in the compression region. The ionic conductivity can differ by an order of magnitude in the tensile and compressive zones alternating at intervals equal to the half-length of the acoustic wave leading to the formation of localized superionic phase regions.