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2 publications

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    Hydrothermal synthesis of ZnS for efficient photodegradation of Malachite green

    By A.K. Thomas

    Abstract: In this work, ZnS nanoparticles were prepared by hydrothermal method. Various characterization techniques such as X-ray diffraction (XRD), UV-visible optical spectroscopy and FT-IR spectra were used to study the structural, composition and optical properties of synthesized nanoparticles. The XRD pattern showed that the prepared ZnS nanoparticles have a cubic zinc blende structure. The band gap is calculated from absorption spectra with the help of Taucplot and is found to be …

    Published in Journal of Nanoscience, NanoEngineering & Applications · Vol. 10, Issue 1, 2020 · pp. 11–15 Read article

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    Synthesis and Dielectric Properties of CaCu3Ti4O12 Doped with La3+

    By A.K. Thomas

    Abstract: The effect La3+ doping on the structural and dielectric properties of CaCu3Ti4O12 (CCTO) is investigated, resulting in a compound of the type Ca1-xLaxCu3Ti4O12 (x = 0.00, 0.20 and 0.50). The compounds have been prepared by conventional solid state reaction. The Ca1-xLaxCu3Ti4O12 ceramics were characterized by X-ray diffraction, SEM techniques. The grain size and the grain boundary resistivity increased with the increase of doping percentages. Dielectric constant of the samples decreases …

    Published in Journal of Nanoscience, NanoEngineering & Applications · Vol. 9, Issue 3, 2019 · pp. 22–26 Read article

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