Table 3.
Deconvolution of 331 peaks in XRD spectra of Co-W alloy that was electrodeposited onto pyrolytic graphite (flat) and turbostratic graphite (fiber) substrates and annealed at 1100 °C for 1.5 h
| Substrate | 2θ (degrees) | d331 (nm) | a (nm) | mC (%) |
|---|---|---|---|---|
| pyrolytic (flat) | 140.08a | 0.08195 | 0.35722 | |
| 140.96a | 0.08173 | 0.35623 | ||
| turbostratic (fiber) | 140.22±0.14b | 0.08191±0.00004c | 0.35706±0.00004c | 0.66±0.36d |
| 140.49±0.18b | 0.08184±0.00004c | 0.35675±0.00004c | 0.40±0.36d | |
| 140.72±0.08b | 0.08179±0.00002c | 0.35650±0.00002c | 0.19±0.36d |
a
Result of a single measurement.
b
Mean and expanded uncertainty (U = 2uc) values from six spectra.
c
Values calculated from the mean and expanded uncertainty values (U = 2uc) in 2θ.
d
Mean and expanded uncertainty (U = 2uc) in the carbon composition.