| Autor: |
Basha, Ahmad Fouad, Ahmad-Fouad Basha, Mohammad |
| Předmět: |
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| Zdroj: |
Journal of Applied Physics; 2017, Vol. 122 Issue 23, p235104-1-235104-10, 10p |
| Abstrakt: |
Polymer composites of a system of Polyvinylpyrrolidone (PVP)/gelatin/DyCl3·6H2O were prepared in three groups that have different concentrations of PVP/gelatin contents to study the effect of neutron irradiation on their structural and optical properties. Results showed that the interaction of neutrons led to various complex phenomena, mainly bond breaking, main chain scission and intermolecular cross-linking. These processes introduced defects inside the material that were responsible for the changes in their optical and structural properties. All the calculated parameters were found to be dependent on the irradiation fluence in a uniform manner that makes these materials excellent candidates in the applications of dosimetry and radiology. Moreover, the sensitivity of the three groups of composites to the irradiation doses was found to be different. The variation in the structure of the composite group that contains the least PVP content was found to be less significant; hence, these materials were more stable against high doses that make them suitable for high radiation dose applications. [ABSTRACT FROM AUTHOR] |
| Databáze: |
Complementary Index |
| Externí odkaz: |
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