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- Article name
- Effect of amorphization cross-section of polymer due to MeV-proton irradiation
- Authors
- Mallick B., , bmallick_iopb@scientist.com bmallick@iopb.res.in, Institute of Physics, Bhubaneswar, 751005, India
Panigrahi S., , , Department of Physics, National Institute of Technology, Rourkela, 769008, India
- Keywords
- proton irradiation / amorphization cross-section / PET / crystallinity
- Year
- 2012 Issue 1 Pages 20 - 25
- Code EDN
- Code DOI
- Abstract
- Irradiation of semicrystalline polymers with high-energetic heavy ions usually reduced the sample crystallinity up to a complete amorphization. This is because of the damage of crystalline phase due to heavy ion irradiation. However, proton-like lighter high-energetic ions show a negative value of amorphization cross-section σa, which indicates an improvement of crystallinity in the above polymeric samples. This increase in crystallinity though observed earlier could not be defined because of the lack of proper theory (ion-induced crystallinity and microstrain). Present study highlights on σa of the proton-irradiated PET using X-ray diffraction at low energy density regime (? 1023 eV/cm3) has been discussed.
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