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This study reports the successful synthesis of holmium (Ho) and scandium (Sc) co-doped barium titanate Ba1-xHoxTi1-yScyO3 using sol-gel method. Samples of compositions of x = y = 0 (BT) and x = y = 0.05 (BHTS) have been synthesized. The crystallization, phase formation, and micro-structural changes in these samples have been studied with the help of thermogravimetric and X-ray diffraction analyses. The X-ray diffraction pattern confirmed well-crystallized tetragonal phases for the samples, with minute variations in peak positions. The average particle sizes of 95 nm in BT were found to be 59 nm in BHTS samples. This size decrease was supported by FE-SEM. The peak shift in BHTS was better observed in some of the vibrational frequencies in FTIR spectra. The incorporations and elemental composition of Ho and Sc was confirmed from the EDX analysis of the samples.

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Impact of Incorporating Trivalent Co-doping on Thermal and Structural Properties of BaTiO3

  • 会议论文

  • 发表日期：

    2025年

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  • Mitesh Shakya,
  • Anju Dixit,
  • Suresh Kumar,
  • Pramod S. Dobal

摘要

This study reports the successful synthesis of holmium (Ho) and scandium (Sc) co-doped barium titanate Ba1-xHoxTi1-yScyO3 using sol-gel method. Samples of compositions of x = y = 0 (BT) and x = y = 0.05 (BHTS) have been synthesized. The crystallization, phase formation, and micro-structural changes in these samples have been studied with the help of thermogravimetric and X-ray diffraction analyses. The X-ray diffraction pattern confirmed well-crystallized tetragonal phases for the samples, with minute variations in peak positions. The average particle sizes of 95 nm in BT were found to be 59 nm in BHTS samples. This size decrease was supported by FE-SEM. The peak shift in BHTS was better observed in some of the vibrational frequencies in FTIR spectra. The incorporations and elemental composition of Ho and Sc was confirmed from the EDX analysis of the samples.