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<p>Pure and Cr-doped hexagonal molybdenum oxide (h-MoO<sub>3</sub>) were synthesized to investigate the effect of Cr incorporation on electrochromic properties for data storage applications. X-ray diffraction confirmed the formation of a metastable hexagonal phase, while Cr doping systematically modified crystallite size, lattice strain, and interplanar spacing, favoring enhanced ion diffusion and optical modulation. Scanning electron microscopy revealed uniform one-dimensional hexagonal nanorods, providing efficient charge transport pathways. FTIR analysis verified the preservation of Mo–O bonding, and UV–Vis spectroscopy showed a red shift in absorption due to Mo–Cr charge transfer, indicating band structure modification. Magnetic measurements further demonstrated tunable electronic interactions induced by Cr incorporation. These combined structural, optical, and magnetic modifications highlight the distinct advantage of Cr doping in tailoring h-MoO<sub>3</sub> for improved electrochromic performance and multifunctional data storage applications.</p>

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Tuning electrochromic properties of MoO3 through Cr doping for enhanced data storage capabilities

  • 期刊论文

  • 发表日期：

    2026年3月3日

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  • Rahul Chaurasiya,
  • Ruchi Shaw,
  • Sanjay Srivastava

摘要

Pure and Cr-doped hexagonal molybdenum oxide (h-MoO3) were synthesized to investigate the effect of Cr incorporation on electrochromic properties for data storage applications. X-ray diffraction confirmed the formation of a metastable hexagonal phase, while Cr doping systematically modified crystallite size, lattice strain, and interplanar spacing, favoring enhanced ion diffusion and optical modulation. Scanning electron microscopy revealed uniform one-dimensional hexagonal nanorods, providing efficient charge transport pathways. FTIR analysis verified the preservation of Mo–O bonding, and UV–Vis spectroscopy showed a red shift in absorption due to Mo–Cr charge transfer, indicating band structure modification. Magnetic measurements further demonstrated tunable electronic interactions induced by Cr incorporation. These combined structural, optical, and magnetic modifications highlight the distinct advantage of Cr doping in tailoring h-MoO3 for improved electrochromic performance and multifunctional data storage applications.