Effect of non-stoichiometry on the optical properties of thin films of TiNx

Abstract
The optical constants of thin films of TiNx, prepared by means of reactive electron-beam evaporation, have been investigated at the Na-D wavelength as a function of their deviation from stoichiometry (x=1). Extreme at values of x slightly below unity were observed in the optical constants. A plausible explanation, in terms of the defect structure and bonding characteristics of the compound, is given.

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