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  • Structure and luminescence properties of Eu3+ and Dy3+ implanted GaN films

    Publication
    Superlattices and Microstructures
    Ma, H.; Wang, X.; Chen, J.; Gao, X.; Zheng, S.; Mao, H.; Wang, D.; Zeng, X.; Xu, K.

    X-Ray diffraction (XRD), Raman scattering, Cathodoluminescence measurements (CL) and Photoluminescence (PL) were employed to characterize the structure and optical properties of Dysprosium (Dy) and Europium (Eu) implanted GaN films grown by MOCVD.

  • Synthesis and characterisation of cerium sulphide over optical fiber and its gas sensing application

    Publication
    Materialwissenschaft und Werkstofftechnik
    Theoderaj, A. K. C.; Jacob, I. D.; Chitra, J. M.

    In this study, a cladding-modified optical fiber-based gas sensor is proposed for detection of carbon dioxide gas. Cerium disulphide (CeS2) is synthesised and coated by chemical bath deposition (CBD) route over the region in which cladding is removed.