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We report a one-step hydrothermal route for the synthesis of highly pure NiMoO4 nanospheresNanospheres with monoclinic symmetry and an average crystallite size of 26.56 nm. Structural and morphological investigations using XRD, TEM, and FTIR verified the phase purity and microstructural features of the product. DielectricDielectric spectroscopy demonstrated a non-Debye type relaxation behavior and a strong frequency-dependent permittivity, associated with multiple polarization mechanisms. The frequency variation of ACConductivity conductivityAC conductivity was well described by Jonscher’s power law, pointing to a thermally activated charge transfer process governed by the small polaron hoppingSmall polaron hopping mechanism. These outcomes highlight the suitability of the synthesized NiMoO4 nanospheresNanospheres for advanced electronic and energy-related technologies.

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Synthesis, Structural Analysis, and Dielectric Properties of NiMoO4 Nanoparticle

  • 会议论文

  • 发表日期：

    2026年

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  • Basma Askri,
  • Mariem Messada,
  • António Jose Paleo Vieito

摘要

We report a one-step hydrothermal route for the synthesis of highly pure NiMoO4 nanospheresNanospheres with monoclinic symmetry and an average crystallite size of 26.56 nm. Structural and morphological investigations using XRD, TEM, and FTIR verified the phase purity and microstructural features of the product. DielectricDielectric spectroscopy demonstrated a non-Debye type relaxation behavior and a strong frequency-dependent permittivity, associated with multiple polarization mechanisms. The frequency variation of ACConductivity conductivityAC conductivity was well described by Jonscher’s power law, pointing to a thermally activated charge transfer process governed by the small polaron hoppingSmall polaron hopping mechanism. These outcomes highlight the suitability of the synthesized NiMoO4 nanospheresNanospheres for advanced electronic and energy-related technologies.