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Wurtzite Mg x Zn 1−x O thin films were grown on sapphire substrates by low-pressure metal-organic chemical vapor deposition. The as-grown films show clear exciton absorption at room temperature until the composition x=0.25. A representative metal–semiconductor–metal structured photodetectors were fabricated from Mg 0.06 Zn 0.94 O film showed a peak responsivity of about...
In this study, metal–semiconductor–metal (MSM) photoconductive detector was fabricated on c-axis preferred oriented ZnO film prepared on quartz by radio frequency magnetron sputtering. With the applied bias below 3V, the dark current was below 250nA. The typical responsivity peaked at around 360nm, and had values of 30A/W. In addition, the UV (360nm) to visible (450nm) rejection ratio of around five...
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