Abstract

Ag oxide thin films were grown on glass substrates by sputtering an Ag target in an Ar+O 2 mixed gas. Effects of O 2 flow ratio on resistivity, reflectance and transmittance of the Ag oxide films were studied. Crystal structure and chemical binding state of the films were characterized by X-ray diffraction, X-ray photoelectron spectroscopy, and scanning electron microscopy. Ag films with a resistivity of 4 μΩ cm and a reflectance of 98% were obtained at O 2 flow ratios below 5%. The increase of resistivity and the decrease of reflectance were observed with increasing O 2 flow ratio due to the formation of mixed films of Ag and Ag oxide. Above an O 2 flow ratio of 40%, the transmittance of the films increased and semitransparent Ag 2O films with resistivity of an order of 10 8 Ω cm were formed.

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