Table 2
Experimental ratios (h/a) for the different combinations of proton fluence and applied current density (J)
Fluence (proton/cm)	J(mA/cm2)
	3	30	300
5e10	0.740	0.505	0.397
8e10	0.781	0.565	0.445
1e11	0.813	0.585	0.519

Recio-Sánchez et al. Nanoscale Research Letters 2012 7:449   doi:10.1186/1556-276X-7-449