Table 3 ISO surface parameters were obtained from the AFM topographical maps of the films.
From: Advanced microstructure, morphology and CO gas sensor properties of Cu/Ni bilayers at nanoscale
Parameter | Unit | Cu | CuNi15 | CuNi20 |
---|---|---|---|---|
Smr | (%) | 100 | 100 | 100 |
Smc | (nm) | 8.43 | 10.5 | 12.7 |
Sdq | (–) | 7.11 | 17.02 | 21.30 |
Sdr | (%) | 229 | 778 | 945 |
Spd | (1/µm2) | 436 | 557 | 755 |
Spc | (1/µm) | 612 | 782 | 925 |
Sk | (nm) | 8.47 | 19.50 | 23.7 |
Spk | (nm) | 5.01 | 16.17 | 22.4 |
Svk | (nm) | 7.80 | 13.80 | 23.64 |
Vmp | (µm3/µm2) | 1.29 × 10–3 | 2.99 × 10–3 | 3.86 × 10–3 |
Vmc | (µm3/µm2) | 2.81 × 10–3 | 68.59 × 10–3 | 82.65 × 10–3 |
Vvc | (µm3/µm2) | 36.10 × 10–3 | 97.69 × 10–3 | 114.0 × 10–3 |
Vvv | (µm3/µm2) | 3.67 × 10–3 | 7.80 × 10–3 | 10.64 × 10–3 |