Citation:Aperathitis, E., Bender, M., Cimalla, V., Ecke, G. and Modreanu, M. (2003) 'Properties of rf-sputtered indium–tin-oxynitride thin films', Journal of Applied Physics, 94(2), pp. 1258-1266. doi: 10.1063/1.1582368
Indium-tin-oxide (ITO) and indium-tin-oxynitride (ITON) thin films have been fabricated by rf-sputtering in plasma containing Ar or a mixture of Ar and N-2, respectively. The structural, electrical and optical properties of ITON films were examined and compared with those of ITO films. The microstructure of ITON films was found to be dependent on the nitrogen concentration in the plasma. Increasing the amount of nitrogen in the plasma increased the resistivity and reduced the carrier concentration and mobility of the films. The electrical properties of the ITON films improved after annealing. The absorption edge of the ITON films deposited in pure N-2 plasma was shifted towards higher energies and showed reduced infrared reflectance compared to the respective properties of ITO films. The potential of indium-tin-oxynitride films for use as a transparent conductive material for optoelectronic devices is addressed.
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