Abstract
AbstractCu‐doped and Cu, Fe codoped ZnO diluted magnetic semiconductors (DMSs) powders samples were synthesized by the sol–gel method. The X‐ray diffraction (XRD) results showed the Zn0.985Cu0.02O and Zn0.95Fe0.03Cu0.02O samples were of single phase with the ZnO‐like wurtzite structure. Magnetic measurements indicated that room‐temperature ferromagnetism of Zn0.98Cu0.02O was intrinsic in nature and the saturation magnetization of Zn0.98Cu0.02O DMSs increased after Fe doping. Photoluminescence (PL) measurements showed that the intensity of the ultraviolet (UV) emission band and the visible‐light emission band of Zn0.95Cu0.02Fe0.03O samples increased and the UV emission peak exhibited blue shift compared to Zn0.98Cu0.02O samples.
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