2007•Yuanzihe wuli pinglunRequires access

Irradition Effect in C_(60) Films Induced by GeV Fe Ions

Cunfeng Yao

Abstract

The irradiation effects of C_(60) films induced by 0.98 GeV Fe ions at the same electronic energy loss of 3.5 keV/nm and different irradiation dose ranging from 5×1010 to 8×1013 ions/cm2,were analyzed by Raman scattering and Fourier transform infrared(FTIR) spectroscopes.The analysis results indicate that the irradiation results in a molecular polymerization and destruction of the C60.The partial recovery of the damage at the intermediate value of irradiation dose,1×1012 ions/cm2,was caused by an annealing effect of electronic energy loss.The ion track or damage cross-section σ deduced from the Raman data was 1.32×10-14 cm~2.

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Key concepts: Ion, Irradiation, Raman spectroscopy, Annealing (glass), Materials science, Raman scattering, Fourier transform infrared spectroscopy, Analytical Chemistry (journal)