Table 2 Comparison of diffusion barriers for various defects

NV

GAP-CN(NEB)

5.11

4.8 (DFT-PBE)²⁹

C_i

GAP-CN(AE)

1.8

1.68 (Exp.)³⁰

V

GAP-CN(NEB)

2.1

2.3 (Exp.)²⁸