High-energy ion induced physical and surface modifications in antimony sulphide thin films

Sb 2S 3 thin films prepared by electrodeposition on indium tin oxide coated glass substrate were irradiated with 150 MeV Ni 11+ ions for various fluence in the range of 10 11–10 13 ions/cm 2. The modifications in the structure, surface morphology and optical properties have been studied as a functio...

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Bibliographic Details
Published in:Current applied physics 2010, 10(4), , pp.1112-1116
Main Authors: Subramanian, S., Balaji, M., Chithra Lekha, P., Asokan, K., Kanjilal, D., Sulania, Indra, Prakash, Jai, Pathinettam Padiyan, D.
Format: Article
Language:English
Subjects:
Absorbance
Diffraction
Electrodeposition
Fluence
Glass
Indium tin oxide
Irradiation
Micrographs
Optical properties
Scanning electron microscopy
Swift heavy ion
Thin films
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Summary:Sb 2S 3 thin films prepared by electrodeposition on indium tin oxide coated glass substrate were irradiated with 150 MeV Ni 11+ ions for various fluence in the range of 10 11–10 13 ions/cm 2. The modifications in the structure, surface morphology and optical properties have been studied as a function of ion fluence. X-ray diffraction (XRD) analysis indicates a shift in the (2 4 0) peak position towards lower diffraction angle and a decrease in grain size with increase in ion fluence. Presence of microcracks due to irradiation induced grain splitting effect has been observed from the SEM micrograph at higher ion fluence. The optical absorbance spectrum revealed a shift in the fundamental absorption edge and the band gap energy increased from a value of 1.63 eV for as-deposited films to 1.80 eV for the films irradiated with 10 13 ions/cm 2.
ISSN:1567-1739
1878-1675
DOI:10.1016/j.cap.2010.01.010