Swift heavy ion modification of polymers

Balanzat, E.; Betz, N.; Bouffard, S.

doi:10.1016/0168-583x(95)00521-8

Cited by 151 publications

(75 citation statements)

References 26 publications

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“…Compared to oxygen-free polymers (e.g., PE, PS 14,15 ), this effect is enhanced due to the large number of oxygen radicals available from ion-induced scission processes. The oxidation effect is additionally increased if the irradiation takes place in oxygen atmosphere.…”

Section: Discussion Degradation Processesmentioning

confidence: 98%

Chemical degradation of polyimide and polysulfone films under the irradiation with heavy ions of several hundred meV

Steckenreiter

Balanzat

Fueß

et al. 1999

J. Polym. Sci. A Polym. Chem.

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Section: Discussion Degradation Processesmentioning

confidence: 98%

Chemical degradation of polyimide and polysulfone films under the irradiation with heavy ions of several hundred meV

Steckenreiter

Balanzat

Fueß

et al. 1999

J. Polym. Sci. A Polym. Chem.

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“…Assignments of peaks on IR absorption spectra of PADC have been confirmed [6,7,8]. FT-IR spectroscopy has been successfully applied to evaluate the effects of ion irradiation on polymers quantitatively [9,10,11].…”

Section: Changes In Absorbance Of Ether Carbonate Ester Ch and Oh Gmentioning

confidence: 99%

Sudden Increase of the Radiation Chemical Yield for Loss of Carbonate Ester in PADC Detector where the Track Overlapping of 28 MeV Electrons Becomes Significant

Kusumoto

Mori

Kanasaki

et al. 2016

Proceedings of International Symposium on Radiation Detectors and Their Uses (ISRD2016)

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The latent track structure of 28 MeV electrons in poly(allyl diglycol carbonate), PADC, has been investigated using FT-IR spectral method. The density of ether decreases linearly with increasing the fluence. Chemical damage parameters of effective track radius, damage density and radiation chemical yield, for loss of ether are evaluated as 0.023 nm, 0.01 scissions/nm and 19 scissions/100 eV, respectively. The derived values are compared to that of previous ones from gamma ray, protons and heavy ions exposures. The density of carbonate ester and CH groups decreases above the fluence of 1.6×10 15 electrons/cm 2 , which corresponds to the critical fluence in which the track overlapping becomes significant. This implies that the carbonate ester can be lost following the damage on neighboring ether.

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“…The stopping power (eV/nm) is equivalent to the linear energy transfer (LET, eV/nm/ion). 13,14 Electronic stopping is the interaction between implanted ions and electron clouds of the target atoms, which induces the unsaturated bonding and cross-linking between chains. 1,2,13 Nuclear stopping is the interaction between implanted ions and nuclei of target atoms, which induces the chain scission.…”

Section: Introductionmentioning

confidence: 99%

Low dielectric constant of MeV ion-implanted poly(vinylidene fluoride)

et al. 2003

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Poly (vinylidene fluoride) (PVDF) samples were implanted by using high energy (MeV) F 2+ and Cl 2+ ions. We observed that AC dielectric constant of the ion-implanted PVDF samples decreased from 10.5 to 2.5 at 1 kHz as the ion dosage increased from 10 11 to 3Ý 10 14 ions/cm 2 . From differential scanning calorimetry experiments, we observed that PVDF samples become more disordered state through the ion implantation. The decrease of the number of bonding of C-H and C-F and the increase of unsaturated bonding were observed from X-ray photoelectron spectroscopy experiments. The emission of HF and H 2 molecules during the ion implantation was detected by residual gas analyzer spectrum. Based upon the results, we analyzed that the low AC dielectric constant of the MeV ion-implanted PVDF samples originated from the reduction of polarization due to the structural change of the CF 2 molecules in the MeV ion-implanted PVDF samples.

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Swift heavy ion modification of polymers

Cited by 151 publications

References 26 publications

Chemical degradation of polyimide and polysulfone films under the irradiation with heavy ions of several hundred meV

Chemical degradation of polyimide and polysulfone films under the irradiation with heavy ions of several hundred meV

Sudden Increase of the Radiation Chemical Yield for Loss of Carbonate Ester in PADC Detector where the Track Overlapping of 28 MeV Electrons Becomes Significant

Low dielectric constant of MeV ion-implanted poly(vinylidene fluoride)

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