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<p>The synthesis of magnesium-zinc nanoferrite (ZnMgFeO<sub>4</sub>) via the sol–gel auto-combustion method and the fabrication of thick-film sensors using a screen technique resulted in the production of single-phased samples, characterized by crystallite sizes ranging from 16 to&#xa0;18&#xa0;nm. X-ray diffraction analysis revealed an expansion in lattice parameter with Magnesium doping, indicating unit cell enlargement. FT-IR spectroscopy confirmed the substitution of magnesium ions in the octahedral sites. Optical measurements demonstrated a reduction in UV–visible spectroscopy with doping, attributed to particle size dependence. This comprehensive study sheds light on the structural, optical, and thermal (TG–DTA). Magnetic measurements signify decreased magnetization with Mg-ZnFe<sub>2</sub>O<sub>4</sub> attributed to particle size dependence. Sensor modification made specifically was for gas detection of CO made sensitivity of 77.58% of Mg-doped Zn ferrite nanomaterials, offering valuable insights for CO gas detection.</p>

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Enhanced sensitivity, structural, optical, magnetic properties, and thermal behaviour of Zn–Mg nanoferrites thick-film nanosensors for carbon monoxide (CO) gas detection study

  • 期刊论文

  • 发表日期：

    2025年5月26日

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  • Jadhav Vyankati Rama,
  • Bhise Ramesh Baburao,
  • Manisha Daryao Dhiware

摘要

The synthesis of magnesium-zinc nanoferrite (ZnMgFeO4) via the sol–gel auto-combustion method and the fabrication of thick-film sensors using a screen technique resulted in the production of single-phased samples, characterized by crystallite sizes ranging from 16 to 18 nm. X-ray diffraction analysis revealed an expansion in lattice parameter with Magnesium doping, indicating unit cell enlargement. FT-IR spectroscopy confirmed the substitution of magnesium ions in the octahedral sites. Optical measurements demonstrated a reduction in UV–visible spectroscopy with doping, attributed to particle size dependence. This comprehensive study sheds light on the structural, optical, and thermal (TG–DTA). Magnetic measurements signify decreased magnetization with Mg-ZnFe2O4 attributed to particle size dependence. Sensor modification made specifically was for gas detection of CO made sensitivity of 77.58% of Mg-doped Zn ferrite nanomaterials, offering valuable insights for CO gas detection.