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Effect of gamma irradiation on the etching properties of Lexan and Makrofol-DE polycarbonate plastics

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Abstract

It is observed that for Lexan and Makrofol-DE polycarbonate plastic detectors the mean diameters of fission fragments from a 252Cf source increases as a result of gamma-ray exposure. We have studied the bulk etching rate and track etching rate before and after gamma-ray irradiation on Lexan and Makrofol-DE polycarbonate plastics. The mechanism of Lexan and Makrofol-DE polycarbonate plastic detectors can be understood with the help of this exposures. It is also noted that degree of ordering of Lexan and Makrofol-DE polycarbonate is dependent on the gamma ray dose due to degradation and cross-linking processes. The results show that bulk and track etch rate increases with gamma dose while activation energy associated with bulk and track etch rates at a particular temperature and sensitivity decreases with gamma dose.

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Acknowledgments

The authors express their gratitude to the authorities of NPD, B.A.R.C., Mumbai India, for providing irradiation facility. The author (A.K.) gratefully acknowledge the financial support provided under UGC networking centre of Physics Department, BHU, Varanasi UP India.

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Authors and Affiliations

  1. Department of Applied Science (Physics), Vidya College of Engineering, Meerut, 250010, India

    Ashok Kumar

  2. Department of Physics, Faculty of Humanities, Physical & Mathematical Sciences, Shobhit University, Meerut, 250110, India

    R. K. Jain

  3. Physics Department, D.S. College, Aligarh, 202001, India

    Praveen Yadav & R. N. Chakraborty

  4. High Energy Physics Laboratory, Department of Physics, Banaras Hindu University, Varanasi, 221005, India

    B. K. Singh

  5. Nuclear Physics Division BARC, Trombay, Mumbai, 400085, India

    B. K. Nayak

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  1. Ashok Kumar
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  2. R. K. Jain
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  3. Praveen Yadav
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  4. R. N. Chakraborty
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  5. B. K. Singh
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  6. B. K. Nayak
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Correspondence to Ashok Kumar.

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Kumar, A., Jain, R.K., Yadav, P. et al. Effect of gamma irradiation on the etching properties of Lexan and Makrofol-DE polycarbonate plastics. J Radioanal Nucl Chem 295, 95–98 (2013). https://doi.org/10.1007/s10967-012-1830-y

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  • DOI: https://doi.org/10.1007/s10967-012-1830-y

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