[22] Razeghizadeh A., Mahmoudi Ghalvandi M., Sohillian F., Rafee V., The Effect of Substrate on Structural and Electrical Properties of Cu3N Thin Film by DC Reactive Magnetron Sputtering. Physical Chemistry Research. 5(3):497-504 (2017).
[23] Pankove J. I, Optical Processes in Semiconductors (Dover Publications Inc., New York), P. 1971, (1971)
[26] Nakamoto K, “Infrared and Raman Spectra of Inorganic and Coordination Compounds”, 4th edn. (John Wiley & Sons, Inc) p 183, (1906).
[27] Gu Z,. Liang P., Liu X., Zhang W., Le Y., J. Sol-Gel Sci. Technol., 10: 159- (2000).
[28] Nakamoto K (ed), “Infrared Spectra of Inorganic and Coordinated Compounds”, (John Wiley & Sons, Inc), p 76, 06, (1963)
[29] Gallardo-Amores J.M., Armaroli T., Ramis G., Finocchio E., Busca G., Appl. Catal, B22: 249- (1999).