| ATOMIC AND MOLECULAR PHYSICS |
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Radiation-Induced Nano-Explosions at the Solid Surface: Near Surface Radiation Damage in CR-39 Polymer |
| Mukhtar Ahmed Rana*
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Physics Division, Pakistan Institute of Nuclear Science and Technology (PINSTECH), P.O. Nilore, Islamabad, Pakistan
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| Cite this article: |
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Mukhtar Ahmed Rana 2011 Chin. Phys. Lett. 28 083203 |
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Abstract New measurements of fission fragment and alpha particle induced surface damage in the most sensitive and commonly used nuclear track detector CR-39 are presented here. Precisely designed and optimized exposure and chemical etching experiments are employed to unfold the structure of radiation induced surface damage (RISD). Delay in the startup of the chemical etching of latent tracks or surface radiation damage is measured and is found to contain important information about the structure of the surface damage. Simple atomic scale pictures of RISD and its chemical etching are developed in an empirical manner. Theoretical model and experimental findings coherently compose a realistic picture of early or femtosecond evolution of RISD.
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| Keywords:
32.80.Hd
34.10.+x
81.05.Qk
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Received: 03 November 2010
Published: 28 July 2011
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| PACS: |
32.80.Hd
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(Auger effect)
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34.10.+x
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(General theories and models of atomic and molecular collisions and interactions (including statistical theories, transition state, stochastic and trajectory models, etc.))
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81.05.Qk
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(Reinforced polymers and polymer-based composites)
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