4.7 Article

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

Journal

SCRIPTA MATERIALIA
Volume 60, Issue 11, Pages 984-987

Publisher

PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.scriptamat.2009.02.038

Keywords

ZnO; Nanosheets; X-ray photoelectron spectroscopy; Magnetic properties

Funding

  1. Royal Institute of Technology, Sweden
  2. National Natural Science Foundation of China [10474098]
  3. National Major Project of Fundamental Research for Nanomaterials and Nanostructures [2005CB623603]

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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. (C) 2009 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.

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