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Nanoscale Properties of Dysprosium-Doped Zinc Oxide Nanoparticles

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Abstract

Dysprosium-doped ZnO nanoparticles [Zn1−xDyxO] were studied to enhance and control their multifunctional properties for various optoelectronic or magnetoelectrical properties. After synthesizing well-defined Dy-doped ZnO nanoparticles by Sol-Gel route, the evaluation of optical, magnetic, and electrical characteristics of synthesized ZnO nanoparticles was done. Formation of hexagonal wurtzite structure of Dy-doped nanoparticles was recognized by XRD studies and morphology, by transmission electron microscopy (TEM). The effect of the increase in dopant concentration on the bandgap was confirmed by UV-vis spectra. PL study was performed to show the presence of various types of defects in synthesized nanoparticles. In magnetic studies, room-temperature ferromagnetism (RTFM) behavior was observed. Four probe method showed the dependence of resistivity on dopant concentration.

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Authors and Affiliations

  1. Department of Physics, Maharishi Markandeshwar University, Sadopur, Ambala, India

    Nupur Aggarwal

  2. Department of Physics, Chandigarh University, Gharuan, Mohali, India

    Ajay Vasishth

  3. School of Physics and Materials Science, Thapar Institute of Engineering and Technology, Patiala, India

    Kamaldeep Kaur & N. K. Verma

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  1. Nupur Aggarwal
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  2. Ajay Vasishth
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  3. Kamaldeep Kaur
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  4. N. K. Verma
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Correspondence to Nupur Aggarwal.

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Aggarwal, N., Vasishth, A., Kaur, K. et al. Nanoscale Properties of Dysprosium-Doped Zinc Oxide Nanoparticles. J Supercond Nov Magn 33, 883–888 (2020). https://doi.org/10.1007/s10948-019-05274-7

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  • DOI: https://doi.org/10.1007/s10948-019-05274-7

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