Defect mediated ferromagnetism in Ni-doped ZnO nanocrystals evidenced by positron annihilation spectroscopy

Zhi-Yuan Chen, Z. Q. Chen, B. Zou, X. G. Zhao, Z. Tang, S. J. Wang
  • Journal of Applied Physics, January 2012, American Institute of Physics
  • DOI: 10.1063/1.4759136