Figure 2.

a) The response of a 10 $\mu \mathrm{m}$ thick mushroom detector array to a 5.5 MeV He²⁺ ion beam. b) Cropped mean energy map of a single SV within the array, approximately 18–20 $\mu \mathrm{m}$ in diameter. a) and b) reproduced from^{[ 18 ]} under Creative Commons licence, 2019, IOPScience.