Samples | a (nm) | b (nm) | c (nm) | β (˚) |
CuO-NPs annealed at 200˚C | 0.466789 | 0.342411 | 0.511844 | 99.3485 |
CuO-NPs annealed at 400˚C | 0.467401 | 0.342340 | 0.512304 | 99.3890 |
CuO-NPs annealed at 600˚C | 0. 468323 | 0.342244 | 0.512795 | 99.5005 |
Standard tenorite (CuO) | 0.468830 | 0.342290 | 0.513190 | 99.5100 |