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Structural, Optical and Magnetic Properties of Mn-doped CdS Diluted Magnetic Semiconductor Nanoparticles

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Abstract

Diluted magnetic CdS:Mn nanoparticles were synthesized by the aqueous solution method with different manganese (Mn2+) concentrations (x=7–10 atom %) at room temperature in nitrogen atmosphere and capped with Thiogelycerol. The X-ray diffraction patterns of CdS nanoparticles with different Mn doping concentration indicated that samples have hexagonal structure at room temperature. Energy dispersive X-ray spectroscopy confirmed incorporative of Mn ions in CdS nanoparticles. UV-Visible spectroscopy is used to investigate optical absorption of Mn-doped CdS. From photoluminescence measurement it was found that the intensity of the luminescence spectra decreases by increasing Mn2+ dopant ions at high precursor concentration. Also, the room temperature ferromagnetic behavior of Mn-doped CdS nanoparticles is discussed by using hysteresis measurement results.

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Acknowledgements

The authors are thankful to University of Guilan for financial support.

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Authors and Affiliations

  1. Nanostructure Lab., Physics Department, University of Guilan, Rasht, Iran

    S. Salimian & S. Farjami Shayesteh

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  1. S. Salimian
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  2. S. Farjami Shayesteh
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Correspondence to S. Farjami Shayesteh.

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Salimian, S., Farjami Shayesteh, S. Structural, Optical and Magnetic Properties of Mn-doped CdS Diluted Magnetic Semiconductor Nanoparticles. J Supercond Nov Magn 25, 2009–2014 (2012). https://doi.org/10.1007/s10948-012-1549-6

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  • DOI: https://doi.org/10.1007/s10948-012-1549-6

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