| Nanocrystalline diamond | Microcrystalline diamond |
Electronic | Poor Mobility [4] | Semiconductor properties |
Hardness [GPa] | 35 - 75 [18] | 100 |
Friction coefficient | 0.02 [7] | 0.1 |
Young’s modulus [GPa] | 1100 [18] | 1120 |
Grain size [nm] | 10 - 100 | >10,000 |