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INFRARED ABSORPTION PROPERTIES OF AMORPHOUS CARBON FILMS

G. Lazar1,* , K. Zellama2, I. Vascan1, M. Stamate1, I. Lazar1, I. Rusu1

Affiliation

  1. Bacu University, Calea Mr eti 157, 600115 Bacu, România
  2. Université de Picardie “Jules Verne”, Amiens, France

Abstract

It is presented a detailed investigation of the IR absorption properties for three types of amorphous carbon thin films: hydrogenated amorphous carbon (a-C:H), nitrogen containing hydrogenated amorphous carbon (a-C:H:N) and hydrogen free nitrogenated amorphous carbon (a-C:N). The 2900 cm-1 absorption peak, who shown the C-H bonds type and concentration, is used to study the sp3/sp2 bond proportion and the hydrogen concentration in films. The presence of the nitrogen is associated with a broad absorption band between 1700 and 1000 cm-1..

Keywords

Amorphous carbon, Optical absorption, Sputtering deposition.

Submitted at: Aug. 18, 2004
Accepted at: March 23, 2005

Citation

G. Lazar, K. Zellama, I. Vascan, M. Stamate, I. Lazar, I. Rusu, INFRARED ABSORPTION PROPERTIES OF AMORPHOUS CARBON FILMS, Journal of Optoelectronics and Advanced Materials Vol. 7, Iss. 2, pp. 647-652 (2005)