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Structure, microstructure and photoluminescence properties of Fe doped SnO2 thin films |
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| Authors: | Sanju Rani N. Karar |
| Affiliation: | a Thin Film Laboratory, Department of Physics, Indian Institute of Technology Delhi, New Delhi 110016, India b Amity School of Engineering, Amity University, Sector 125, Express Highway, NOIDA 201302, India c National Physical Laboratory, Dr. K.S. Krishnan Road, New Delhi 110012, India |
| Abstract: | In this paper, effects of Fe doping on crystallinity, microstructure and photoluminescence (PL) properties of sol-gel derived SnO2 thin films are reported. It is shown that doping of Fe3+ ions leads to crystallite size reduction and higher strain in SnO2 thin films. The room temperature PL spectra show marked changes in intensity and blue-shift of the emission lines upon Fe doping. These observations have been correlated with structural changes and defect chemistry of Fe doped SnO2 thin films. |
| Keywords: | 78.55.-m 81.20.Fw 61.10.Nz |
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