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Effect of H irradiation on the optical properties of vacuum evaporated AgInSe2 thin films |
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| Authors: | MC Santhosh Kumar B Pradeep |
| Institution: | a Advanced Materials Laboratory, Department of Physics, National Institute of Technology, Tiruchirappalli, Tamil Nadu 620 015, India b Solid State Physics Laboratory, Department of Physics, Cochin University of Science and Technology, Cochin, Kerala 682 022, India |
| Abstract: | We prepared polycrystalline AgInSe2 thin films by vacuum evaporation on glass substrate at a high temperature using the stoichiometric powder. The thin films were characterized by X-ray diffraction and UV-vis-NIR spectroscopy. The samples were subjected to the irradiation of 1.26 MeV protons (H+). The effect of irradiation on the optical properties has been investigated for different doses of H+. It is observed that the band gap of silver indium selenide thin films decreases gradually with ion irradiation dose. |
| Keywords: | 29 20 Ej 61 05 cp 78 40 Fy 79 20 Rf |
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