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Keywords:

  • lanthanides;
  • luminescence;
  • magnetic properties;
  • nanocrystals;
  • optical-magnetic materials
Thumbnail image of graphical abstract

Nanocrystal clear: Optical-magnetic (OM) bifunctional NaGdF4:Nd3+,Yb3+,Er3+ nanocrystals were successfully synthesized that consist of luminescent Er3+ ions and a coordinating magnetic Gd3+ ion. The luminescence of NaGdF4:Nd3+,Yb3+,Er3+ nanocrystals was tuned by changing the applied magnetic field (see figure) both at room temperature and ultralow temperatures.