Formation of ZnO nanosheets with room-temperature ferromagnetism by co-doping with Mn and Ni

Single-crystalline (Mn, Ni)-co-doped ZnO nanosheets were in situ synthesized by a pulsed electrodeposition-assisted chemical bath deposition technique. In addition to structure and composition characterizations, detailed X-ray photoelectron spectroscopic analysis revealed that the magnetic dopants had been doped into the ZnO matrix. The nanosheets exhibited tunable room-temperature ferromagnetism. As well as spintronics, this kind of co-doped ZnO nanosheet could find interesting applications due to their large specific surface area and high population of polar faces.