Table 4 Summary of the Voigt fitting parameters for one- and two-phonon mode of NiO nanowalls
From: Growth mechanism and magnon excitation in NiO nanowalls
T A(°C) | TO (meV) | LO (meV) | 2TO (meV) | TO + LO (meV) | 2LO (meV) | |||||
|---|---|---|---|---|---|---|---|---|---|---|
Center | FWHM | Center | FWHM | Center | FWHM | Center | FWHM | Center | FWHM | |
400 | 56.3 | 27.6 | 66.1 | 13.5 | 90.4 | 22.2 | 113.0 | 19.8 | 135.8 | 24.3 |
500 | 50.0 | 12.0 | 66.3 | 15.4 | 91.5 | 16.6 | 112.8 | 7.8 | 136.7 | 22.6 |
600 | 52.9 | 15.3 | 68.5 | 13.4 | 91.9 | 11.1 | 112.6 | 5.2 | 137.6 | 21.7 |
700 | 53.2 | 16.0 | 69.5 | 12.9 | 91.6 | 12.1 | 112.8 | 5.8 | 137.6 | 21.7 |
800 | 50.3 | 9.4 | 67.5 | 15.0 | 92.0 | 11.0 | 112.8 | 5.2 | 137.4 | 21.8 |