Figures & data
Figure 1. The principle of plasma emission spectroscopy measurement.
Figure 2. The plasma emission spectroscopy of 3% methane and 97% hydrogen.
Figure 3. The spectral line intensities of Hα and C2 variation radially across the plasma.
Figure 4. SEM of diamond morphology at positions P0, P2, P4 and P5.
Figure 5. The growth rate of diamond films variation radially along the plasma.
Figure 6. Raman spectra of diamonds at positions P0, P2, P4 and P5.
Figure 7. Diamond film with diameter of 4 inches.
Figure 8. The ultraviolet-visible-near-infrared transmittance spectrum of diamond.
