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<p>ZnFeCrO<sub>4</sub> nanosample was prepared from sulfate starting materials using the flash method at annealing temperatures of 600&#xa0;°C and 800&#xa0;°C. In order to confirm that the synthesized samples were within the nanometer size range, structural analysis was performed using X-ray diffraction (XRD) and atomic force microscopy (AFM). The weak magnetic characteristics of the sample annealed at 600&#xa0;°C were revealed by the evaluation of the magnetic properties of the samples using a room temperature M-H curve. At the annealing temperature of 800&#xa0;°C, the sample’s M<sub>s</sub> increased by 2.7-fold, and its H<sub>c</sub> decreased by 1.14-fold. As a result, the investigated sample at 800&#xa0;°C could be used for magnetic targeting and separation applications. Moreover, the antimicrobial activities were studied, and it was shown that the sample at 800&#xa0;°C had higher efficacy than that at 600&#xa0;°C against <i>N. gonorrhoea</i>. Thus, the investigated sample at 800&#xa0;°C is a promising candidate for use as an antibacterial nanomaterial.</p>

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Attractive Investigation of Zinc Chromium Nanoferrite by a Simple Auto-combustion Method

  • 期刊论文

  • 发表日期：

    2025年4月10日

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  • H. K. Abdelsalam,
  • Yusuf H. Khalafalla,
  • Asmaa. A. H. El-Bassuony

摘要

ZnFeCrO4 nanosample was prepared from sulfate starting materials using the flash method at annealing temperatures of 600 °C and 800 °C. In order to confirm that the synthesized samples were within the nanometer size range, structural analysis was performed using X-ray diffraction (XRD) and atomic force microscopy (AFM). The weak magnetic characteristics of the sample annealed at 600 °C were revealed by the evaluation of the magnetic properties of the samples using a room temperature M-H curve. At the annealing temperature of 800 °C, the sample’s Ms increased by 2.7-fold, and its Hc decreased by 1.14-fold. As a result, the investigated sample at 800 °C could be used for magnetic targeting and separation applications. Moreover, the antimicrobial activities were studied, and it was shown that the sample at 800 °C had higher efficacy than that at 600 °C against N. gonorrhoea. Thus, the investigated sample at 800 °C is a promising candidate for use as an antibacterial nanomaterial.