Fluence (10^15 ions cm^-2)	Mg Concentration (%)	Error in Mg Concentration
0.432	20	1.4
2.59	16.9	1.2
6.66	15.8	1.1
25.9	14.2	0.97
82.9	13.4	0.91
104	14	0.95
311	14.1	0.96
