Structural, optical and magnetic properties of nanophase NiWO4 for potential applications

Hitha Harshan, Karathan Parakkandi Priyanka, Aikkara Sreedevi, Anjali Jose and Thomas Varghese ()
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Hitha Harshan: Nanoscience Research Centre (NSRC), Department of Physics, Nirmala College
Karathan Parakkandi Priyanka: Nanoscience Research Centre (NSRC), Department of Physics, Nirmala College
Aikkara Sreedevi: Thejus Engineering College
Anjali Jose: Vimala College
Thomas Varghese: Nanoscience Research Centre (NSRC), Department of Physics, Nirmala College

The European Physical Journal B: Condensed Matter and Complex Systems, 2018, vol. 91, issue 11, 1-10

Abstract: Abstract Nanocrystalline NiWO4 powder samples were synthesized by direct-chemical precipitation method. Thermal stability of the sample was studied by thermo gravimetric and differential thermal analysis. Structural characterization of NiWO4 nanoparticles was done with X-ray diffraction and field emission scanning electron microscopy. Elemental analysis of the samples were done with energy dispersive X-ray spectroscopy. Vibration modes of as prepared samples were analysed using Fourier transform infrared spectroscopy and Raman spectroscopy. Optical properties of the samples were explored using UV-vis spectroscopy and photoluminescence (PL) spectroscopy. Magnetic properties of NiWO4 nanoparticles were analysed using vibrating sample magnetometer (VSM). Effect of calcination temperature on structural, vibrational, optical and magnetic properties of the NiWO4 samples were also investigated. The results obtained from various characterization techniques found that NiWO4 nanoparticle have the potential use in light emitting diodes (LEDs), biomedical and sensing applications.

Keywords: Mesoscopic; and; Nanoscale; Systems (search for similar items in EconPapers)
Date: 2018
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DOI: 10.1140/epjb/e2018-90382-3

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