Table 1.

Results of EDX for Cu@CuAlO₂-Al₂O₃ nanoparticles in various ion concentrations at 120 kGy and fixed precursor mole ratio of Al/Cu = 70/30.

Precursor ion concentration (mol/mL)	Al content after irradiation (atomic %)	Cu content after irradiation (atomic %)
5.0 × 10−5	64	36
5.4 × 10−5	83.19	16.81
5.7 × 10−5	86.8	13.2
6.0 × 10−5	86.9	13.1
6.4 × 10−5	87.48	12.52