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Sol–gel preparation of Fe and Al co-doped ZnO nanostructured materials

  • Original Paper: Sol-gel and hybrid materials for dielectric, electronic, magnetic and ferroelectric applications
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Abstract

Fe and Al co-doped ZnO nanoparticles have been synthesized by sol–gel method and annealed in air and vacuum atmospheres. The results of structural characterization show that the samples have wurtzite structure with no other impurity phases and the doping atoms have not disturbed the hexagonal lattice. Resistivity measurement confirms good conductivity through vacuum annealing. Furthermore, by investigating the magnetic properties, room temperature ferromagnetism has been observed. The saturation magnetization goes up to 1.4 emu/g by sintering the nanoparticles under vacuum. The results suggest that oxygen vacancies play the most important role in mediating the ferromagnetism.

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Authors and Affiliations

  1. Laser and Plasma Research Institute, Shahid Beheshti University, G.C., Evin 1983969411, Tehran, Iran

    Maedeh Jannesari, Morteza Asemi & Majid Ghanaatshoar

  2. Solar Cells Research Group, Shahid Beheshti University, G.C., Evin 1983969411, Tehran, Iran

    Morteza Asemi & Majid Ghanaatshoar

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  1. Maedeh Jannesari
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  2. Morteza Asemi
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  3. Majid Ghanaatshoar
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Correspondence to Majid Ghanaatshoar.

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Jannesari, M., Asemi, M. & Ghanaatshoar, M. Sol–gel preparation of Fe and Al co-doped ZnO nanostructured materials. J Sol-Gel Sci Technol 83, 181–189 (2017). https://doi.org/10.1007/s10971-017-4397-9

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  • DOI: https://doi.org/10.1007/s10971-017-4397-9

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