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| (a) Schematic setup of the experiment with the large-area suspended graphene target (LSG). (b,c) The Raman spectrum and the optical microscope image for a typical LSG, respectively. The accelerated ions are detected with: (d) a stack of radiochromic films (RCFs) and solid state nuclear track detector (CR-39) and (e) Thomson parabola spectrometer. Credit: U. Osaka / Nature Scientific Reports. |
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