Abstract
N-doped ZnO films were deposited on Si (100) substrates by radio frequency (RF) magnetron sputtering in N2/Ar2gas mixture. After the deposition, the films were post-annealed in vacuum at several temperatures from 400°C to 850°C for 60 minutes respectively.X-ray diffraction (XRD), atomic force microscope (AFM), Hall measurements setup (Hall) were used to analyze the structure, morphology and electrical properties of ZnO films.The results show that growth are still preferred (002) orientation of ZnO films following post-annealing. When the annealing temperature is higher than 650°C achieved by the n-type ZnO to the p-type transition and for the better growth of p-type ZnO films, the optimal annealing temperature is 650°C.
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