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49. J. S. Cho, K. Y. Jung, Y. C. Kang, Yolk-shell structured Gd2O3:Eu3+ phosphor prepared by spray pyrolysis: Effect of preparation condition on microstructure and luminescenec properties. Physical Chemistry Chemical Physics (2015)

48. J. S. Cho, K. Y. Jung, Y. C. Kang, Two-step spray drying synthesis of high luminescent YAG:Ce phosphor powders with dense and spherical shape. RSC Advances (2015)