Effect of gamma irradiation on the optical properties of CR-39 polymer |
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| Authors: | Tanu Sharma Sanjeev Aggarwal Shyam Kumar V K Mittal P C Kalsi V K Manchanda |
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| Affiliation: | (1) Department of Physics, Kurukshetra University, Kurukshetra, 136 119, India;(2) Department of Physics, Punjabi University, Patiala, 147 001, India;(3) Radiochemistry Division, Bhabha Atomic Research Centre, Mumbai, 400 085, India |
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| Abstract: | The UV-Visible absorption spectra of virgin and gamma irradiated (20–800 kGy) CR-39 polymer have been deduced by using Shimadzu
Double beam Double Monochromator UV-Visible Spectrophotometer (UV-2550). The existence of the peaks, their shifting and broadening
as a result of gamma irradiation has been discussed. Finally the indirect and direct band gap in virgin and gamma irradiated
CR-39 has been determined. The values of indirect band gap have been found to be lower than the corresponding values of direct
band gap. |
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