The refractive index spectra and refractive index at a wavelength of the TiN films. (a) The refractive index spectra of the TiN films in the wavelength range of 500 to 900 nm. (b) The refractive index at a wavelength of 600 nm and the calculated porosity of the films, as a function of the oblique angle.
Xie et al. Nanoscale Research Letters 2014 9:105 doi:10.1186/1556-276X-9-105