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Structural, electrical and surface morphological studies of Cd2SnO4 and Mg doped Cd2SnO4 thin films

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Abstract

The technologically important conductive Cadmium stannate (Cd2SnO4) and Magnesium doped cadmium stannate (Cd2SnO4: Mg) thin films were prepared using Cadmium acetate and stannous chloride by spray pyrolysis technique. Films prepared are crystalline and have cubic CdO phase with SnO2. The X-ray diffraction patterns of both thin films shows perfect crystalline structure and from the data, the particle diameter of both films were calculated. Atomic Force Microscopy (AFM) of both films reveals the uniform thickness of the films and the presence of uniform grain growth in Cd2SnO4 and Mg doped Cd2SnO4 thin films. Thickness of Cadmium stannate film is 725nm and that of Magnesium doped Cadmium stannate film is 285nm. The indirect band gap energy of Cd2SnO4 film is 2.71eV and for magnesium doped Cd2SnO4 is 2.97eV were observed from the UV-Visible absorption spectrum studies. Presence of uniform grain growth is found in both thin films. The doping of Magnesium in Cadmium stannate film improves the electrical properties without affecting its structural properties.

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Authors and Affiliations

  1. Department of Physics, University of Calicut, Kerala, India, 673 635

    P. Jayaram, T. P. Jaya, K. Prasanth, A. K. Abdul Gafoor & P. P. Pradyumnan

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  1. P. Jayaram
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  2. T. P. Jaya
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  3. K. Prasanth
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  4. A. K. Abdul Gafoor
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  5. P. P. Pradyumnan
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Correspondence to P. P. Pradyumnan.

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Jayaram, P., Jaya, T.P., Prasanth, K. et al. Structural, electrical and surface morphological studies of Cd2SnO4 and Mg doped Cd2SnO4 thin films. Trans Indian Inst Met 64, 221 (2011). https://doi.org/10.1007/s12666-011-0044-2

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  • DOI: https://doi.org/10.1007/s12666-011-0044-2

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