Luminescent Er<sup>3+</sup>-doped BaTiO<sub>3</sub> nanocrystals were investigated in different media (air, water and glycerol) and temperatures (27 to 47 °C). The results showed that the nonradiative relaxation rate experienced by Er<sup>3+</sup> changes with the particle size.
© 2006 Optical Society of America
G. S. Maciel, M. A. R. Alencar, C. B. de Araujo, and A. Patra, "Investigating Nonradiative Relaxation in Optically Pumped Er<sup>3+</sup>-Doped BaTiO<sub>3</sub> Nanocrystals," in Frontiers in Optics, OSA Technical Digest (CD) (Optical Society of America, 2006), paper LWE6.
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