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Effect of preparation techniques on BaWO4: structural, morphological, optical and electron density distribution analysis

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Abstract

The scheelite BaWO4 materials were prepared by co-precipitation and molten salt method. The crystallographic structure, optical behavior, morphology, and electronic charge distributions of the prepared BaWO4 were studied by various spectroscopic techniques such as X-ray power diffraction, photoluminescence spectroscopy, UV–Visible absorption spectroscopy, scanning electron microscopy and electron density distribution analysis, respectively. The micron-sized rock-like structured BaWO4 particles were obtained in the surface morphology. These structured BaWO4 exhibited intense blue emission peak at 430 nm when excited at 375 nm. The synthesized material revealed the high intense blue emission which attributed to the intrinsic transitions of [WO4]2− tetrahedrons.

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Acknowledgements

The author D.S acknowledges the Kalasalingam Academy of Research and Education (KARE) for the support to complete the present research work. The authors are delighted to thank Dr. Arunachalam Lakshmanan, Dean (R&D) of Saveetha Engineering College, Chennai for PL measurements. The authors express their appreciation to the Deanship of Scientific research at King Khalid university for funding this work through research group program under grant number (R.G.P-174-42).

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Authors and Affiliations

  1. Department of Physics, International Research Centre, Kalasalingam Academy of Research and Education, Krishnan Koil, Virudhunagar, Tamil Nadu, 626126, India

    D. Sivaganesh & S. Saravanakumar

  2. Department of Physics, KGISL Institute of Technology, Coimbatore, Tamil Nadu, 641035, India

    V. Sivakumar

  3. Electropyro Metallurgy Division, Central Electrochemical Research Institute, Karaikudi, 630003, India

    R. Sangeetha & L. John Berchmans

  4. Department of Science, Harmony School of Excellence, Dallas, TX, 75249, USA

    K. S. Syed Ali

  5. Advanced Functional Materials and Optoelectronic Laboratory (AFMOL), Department of Physics, College of Science, King Khalid University, Abha, 61413, Saudi Arabia

    A. M. Alshehri

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  1. D. Sivaganesh
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  2. S. Saravanakumar
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  3. V. Sivakumar
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  4. R. Sangeetha
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Correspondence to S. Saravanakumar.

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Sivaganesh, D., Saravanakumar, S., Sivakumar, V. et al. Effect of preparation techniques on BaWO4: structural, morphological, optical and electron density distribution analysis. J Mater Sci: Mater Electron 32, 1466–1475 (2021). https://doi.org/10.1007/s10854-020-04917-z

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