Table 2 Mass density and atomic concentration of SiON:H films as a function of the deposition temperature. The last column represents the thicknesses of fully oxidized SiO2 after PCT of 30 h. The samples were deposited at 6 sccm for N2O and 10 sccm for both SiH4 and NH3.
Temperature °C | Density g/cm3 | Si at% | O at% | N at% | H at% | Oxidation nm |
---|---|---|---|---|---|---|
100 | 2.12 | 26.6 | 26.8 | 24.0 | 22.6 | |
150 | 2.17 | 27.6 | 24.1 | 26.0 | 22.3 | 13.0 |
200 | 2.25 | 29.3 | 17.2 | 31.2 | 22.3 | 5.5 |
250 | 2.30 | 29.8 | 15.3 | 33.6 | 21.3 | 3.5 |
300 | 2.47 | 31.2 | 13.6 | 35.1 | 20.1 | 3.5 |