Abstract
Transparent and conducting zirconium-doped zinc oxide films with high transparency and relatively low resistivity have been successfully prepared by rf magnetron sputtering at room temperature. The lowest resistivity achieved was 2.93 × 10 −3 Ω cm for a thickness of 475 nm with a Hall mobility of 13 cm 2 V −1 s −1 and a carrier concentration of 1.71 × 10 20 cm −3. The films are polycrystalline with a hexagonal structure and a preferred orientation along the c-axis. All the films present a high transmittance of approximately 90% in the visible range. The optical band gap decreases from 3.42 to 3.27 eV as the thickness increases from 100 to 600 nm.
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