Ta-doped In2O3 transparent conductive oxide (TCO) thin films are deposited on glass substrates by radio-frequency (RF) sputtering at room-temperature. The influence of sputtering power on the structural, morphologic, electrical, and optical properties of the films is investigated by X-ray diffraction (XRD), field emission scanning electron microscopy (FE-SEM), Hall measurement, and optical transmission spectroscopy. The obtained films are polycrystalline with a cubic structure and preferentially oriented in the (222) crystallographic direction. The minimum resistivity of 2.8×10-4 ?cm is obtained from the film deposited at the sputtering power of 170 W. The average optical transmittance of the films is over 90%.
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