Photoluminescence and atomic force microscopy studies on pre- and post-irradiated ruby with Fe3+ ion |
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| Authors: | D. M. Bhardwaj K. B. Garg Ravi Kumar Fouran Singh R. P. Gupta |
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| Affiliation: | 1. Department of Physics , University of Rajasthan , Jaipur, 302004, India;2. Nuclear Science Center, Aruna Asaf Ali Marg , New Delhi, 110067, India;3. Central Electronics Engineering Research Institute , Pilani, 330020, India |
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| Abstract: | Photoluminescence spectra measured for pristine ruby and its two irradiated samples with Fe3+ ion show R1, R2, N lines and a broad band. Decrease in intensities of these features is observed with irradiation of Fe3+ ion in ruby. Progressive structural changes and modifications on surface of irradiated rubies with Fe3+ ion have been observed by atomic force microscopy. Decrease in intensities is discussed in terms of pair formation. |
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| Keywords: | Ruby Photoluminescence Quenching of emission Defects AFM |
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