Change of Electrophysical Properties of Nanocrystalline SiC Films by Laser Treatment at Applied Electric Field

Figure 4

PL spectra in nc-SiC film depending on the intensity E of electric field intensity applied for the first time (a) excitation energy density = 24 mJ/cm², E = 4 × 10³ V/cm, (b) PL spectra for the same film area with elevated energy density (48 mJ/cm²) and repeated application of the field (E = 4 × 10³ V/cm).

(a)

(b)