The effect of gamma rays and neutron on the optical properties of organic n-malachite green
Abstract <br /> Experimental study has been performed to study the effect of Gamma rays by using source of CO60 on the solution of n-Malachite green in UV range. Samples radiated by Gamma ray for (4, 6, 24) hr. The effectively for CO60 was 0.1µc. The results show the effects of the radiation o...
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College of Education for Pure Sciences,
2012-06-01T00:00:00Z.
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| Summary: | Abstract <br /> Experimental study has been performed to study the effect of Gamma rays by using source of CO60 on the solution of n-Malachite green in UV range. Samples radiated by Gamma ray for (4, 6, 24) hr. The effectively for CO60 was 0.1µc. The results show the effects of the radiation on the samples in the visible region and the less effect in ultraviolet region, no effect had been observed in IR region. The results in the visible region show a change in the value of real refractive index n0 from 2.2 before radiated to 2.5 after 24hr radiation period, also the extinction coefficient K0 changed from 5.7 × 10-6 before radiated to 1.1× 10-6 after radiated 24hr. The real dielectric constant Є1 changed from 5.1 before radiated to 6.2 after 24hr radiation. It has been found that the values of energy gaps increasing with time of radiation, where changed from (1.88eV) before radiated to (2.3eV) after 24hr radiation. The radiation by neutrons did not show any effect on the optical properties of the n-Malachite green. |
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| Item Description: | 1812-125X 2664-2530 10.33899/edusj.2012.59148 |