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MAGNETIC BEHAVIOR OF Ni-DOPED CuO NANOPARTICLES SYNTHESIZED BY MICROWAVE IRRADIATION METHOD

Author

Listed:
  • C. THANGAMANI

    (Nanomaterials Research Laboratory, Department of Physics, Government Arts College (Autonomous), Karur 639 005, India)

  • M. PONNAR

    (Nanomaterials Research Laboratory, Department of Physics, Government Arts College (Autonomous), Karur 639 005, India)

  • P. PRIYADHARSHINI

    (Nanomaterials Research Laboratory, Department of Physics, Government Arts College (Autonomous), Karur 639 005, India)

  • P. MONISHA

    (#x2020;PG & Research Department of Physics, Sri Sarada College for Women (Autonomous), Salem 636 016, India)

  • S. S. GOMATHI

    (#x2020;PG & Research Department of Physics, Sri Sarada College for Women (Autonomous), Salem 636 016, India)

  • K. PUSHPANATHAN

    (Nanomaterials Research Laboratory, Department of Physics, Government Arts College (Autonomous), Karur 639 005, India)

Abstract

Nickel-substituted copper oxide nanoparticles at various concentrations were synthesized by the microwave irradiation technique. The consequence of nickel doping on crystal structure, optical properties, and magnetic properties was examined by means of X-ray diffractometer, ultraviolet-visible spectrometer, Fourier transform infrared (FT-IR) spectrometer, transmission electron microscope, and vibrating sample magnetometer (VSM). X-ray diffraction analysis shows that the samples are monoclinic and their crystallite size varies from 25nm to 42nm, and lattice constant significantly increases with nickel concentration. Additional increase of nickel content (7%) decreases the lattice constant. TEM micrograph witnessed that the prepared nanoparticles were sphere-shaped and the particle distribution is in the range between 20 and 40nm. Bandgap measurement reveals that both undoped and nickel-doped copper oxides are direct bandgap semiconductor materials with bandgaps of 3.21 and 3.10eV, respectively, FT-IR spectra of the synthesized samples confirmed the nickel doping. VSM studies confirmed the ferromagnetic behavior of the synthesized samples at room temperature. The results revealed that the nickel-doped copper oxide nanoparticles synthesized via the microwave irradiation method exhibit better magnetic properties than the undoped copper oxide.

Suggested Citation

  • C. Thangamani & M. Ponnar & P. Priyadharshini & P. Monisha & S. S. Gomathi & K. Pushpanathan, 2019. "MAGNETIC BEHAVIOR OF Ni-DOPED CuO NANOPARTICLES SYNTHESIZED BY MICROWAVE IRRADIATION METHOD," Surface Review and Letters (SRL), World Scientific Publishing Co. Pte. Ltd., vol. 26(05), pages 1-11, June.
    • Handle: RePEc:wsi:srlxxx:v:26:y:2019:i:05:n:s0218625x18501846
    DOI: 10.1142/S0218625X18501846
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    Cited by:

    1. Zabed, Hossain M. & Islam, Jahidul & Chowdhury, Faisal I. & Zhao, Mei & Awasthi, Mukesh Kumar & Nizami, Abdul-Sattar & Uddin, Jamal & Thomas, Sabu & Qi, Xianghui, 2022. "Recent insights into heterometal-doped copper oxide nanostructure-based catalysts for renewable energy conversion and generation," Renewable and Sustainable Energy Reviews, Elsevier, vol. 168(C).

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