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Investigation of the Magnetic and Optical Properties of Wurtzite Fe-Doped ZnS Nanorods

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Abstract

The optical and magnetic properties of Fe-doped ZnS nanorods have been investigated at room temperature. X-ray diffraction revealed the doped and undoped nanorods had a wurtzite crystal structure. The lattice constants of Fe-doped ZnS nanorods were less than those of the undoped counterpart. The elemental composition of the Fe-doped ZnS nanorods was verified by use of electron dispersive spectroscopy, which confirmed the presence of Fe. Compared with the undoped counterpart, a blue shift in the absorption edge was observed for Fe-doped ZnS nanorods. Blue and green emission lines were obtained from undoped and Fe-doped ZnS nanorods at 447 nm and 533 nm, respectively. Study of photoluminescence intensity revealed quenching at higher Fe concentration. The ferromagnetic character induced in Fe-doped ZnS nanorods was analyzed by use of M–H curves. Magnetic saturation initially increased with increased Fe doping up to 5%, then decreased with Fe doping up to 10%.

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Authors and Affiliations

  1. Nano Research Lab, School of Physics and Material Science, Thapar University, Patiala, 147 004, Punjab, India

    Sunil Kumar & N. K. Verma

  2. Department of Physics, Indus International University, Una, 174301, Himachal Pradesh, India

    Sunil Kumar

Authors
  1. Sunil Kumar
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  2. N. K. Verma
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Correspondence to Sunil Kumar.

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Kumar, S., Verma, N.K. Investigation of the Magnetic and Optical Properties of Wurtzite Fe-Doped ZnS Nanorods. J. Electron. Mater. 44, 2829–2834 (2015). https://doi.org/10.1007/s11664-015-3688-6

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  • DOI: https://doi.org/10.1007/s11664-015-3688-6

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