Fig. 6

Raman scattering spectra of the nanowires prepared by HWCVD at different filament temperatures. Inset of the figure shows full spectrum of Raman scattering spectrum of the nanowires prepared at filament temperature of 1450 °C
Raman scattering spectra of the nanowires prepared by HWCVD at different filament temperatures. Inset of the figure shows full spectrum of Raman scattering spectrum of the nanowires prepared at filament temperature of 1450 °C