Abstract
An oxide diluted magnetic semiconductor, Co doped ZnO thin film was successfully fabricated by cathodic electrodeposition method. X-ray diffraction studies demonstrate that the ZnCoO thin film indicates that the wurtzite structure. X-ray photospectroscopy studies suggested Co ions have a chemical valence of 2+. Optical absorption spectrum further confirmed Co ions have been doped into ZnO crystal lattice successfully with substituting positions of Zn ions. In photoluminescence spectrum, the UV emission band shifted to low energy side because of the doping effect.
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