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Title Influence of Mn2+ Magnetic Ions on the Properties of Cd1 – xMnxS Thin Films Synthesized by Chemical Bath Deposition
Authors Mali, A.E.
Gaikwad, A.S.
Borse, S.V.
Ahire, R.R.
ORCID
Keywords CdMnS films
optical properties
electrical properties
chemical bath deposition
Mn2+ ion
Type Article
Date of Issue 2021
URI https://essuir.sumdu.edu.ua/handle/123456789/82577
Publisher Sumy State University
License In Copyright
Citation A.E. Mali, A.S. Gaikwad, et al., J. Nano- Electron. Phys. 13 No 1, 01004 (2021). DOI: https://doi.org/10.21272/jnep.13(1).01004
Abstract II-VI semiconductor based ternary CdMnS compound material has received more attention due to its wide area of applications in semiconductor technology. Cd1 – xMnxS (x  0, 0.2, 0.4, 0.6, 0.8 and 1.0) thin films were successfully prepared by chemical bath deposition technique on non-conducting glass substrates. Thin films were deposited at a bath temperature of 80 C and pH  11 by using the chemical bath reaction of cadmium chloride (CdCl2) and manganese chloride (MnCl2) with thiourea (NH4)2S in an aqueous solution. Further, the prepared samples were characterized by UV-visible spectroscopy, photoluminescence, XRD, SEM and EDAX to study the optical, structural, surface, and chemical properties. Effect of Mn2+ ions on the film thickness of Cd1 – xMnxS films was investigated using weight difference technique. The film thickness of Cd1 – xMnxS films decreases as Mn2+ ions increase in the bath solution. The polycrystalline nature with hexagonal and cubic structures of the as-deposited films was confirmed by XRD. The band gap value of the deposited films was observed to increase with increasing Mn2+ ion concentration, this might be ascribed to the fact that Cd atom was substituted by Mn atom in the CdS structure. EDAX analysis confirmed the deposition of Cd, Mn and S elements in the films. Photoluminescence spectra of Cd1 – xMnxS with different values of the composition parameter x exhibited two emission peaks with different intensities. The measurement of the electrical resistivity of Cd1 – xMnxS films was performed at room temperature using two probe methods. The variation in electrical resistivity values with compositional parameters was discussed based on deposition parameters. The investigated polycrystalline Cd1 – xMnxS thin films show promising technological applications in semiconductor industry.
Appears in Collections: Журнал нано- та електронної фізики (Journal of nano- and electronic physics)

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