LIU Chun-xu, LIU Jun-ye, L&#220; Shao-zhe, DOU Kai. Energy Migration Among Gd<sup>3+</sup> and Quantum Efficiencies of Gd<sup>3+</sup>-Dy<sup>3+</sup> Energy Transfer in NaGdF<sub>4</sub>:Tm<sup>3+</sup>, Dy<sup>3+</sup>[J]. Chinese Journal of Luminescence, 2007,28(4): 526-530
LIU Chun-xu, LIU Jun-ye, L&#220; Shao-zhe, DOU Kai. Energy Migration Among Gd<sup>3+</sup> and Quantum Efficiencies of Gd<sup>3+</sup>-Dy<sup>3+</sup> Energy Transfer in NaGdF<sub>4</sub>:Tm<sup>3+</sup>, Dy<sup>3+</sup>[J]. Chinese Journal of Luminescence, 2007,28(4): 526-530DOI: