Setsuhisa Tanabe ；Hideaki Hayashi ；Teiichi Hanada,Fluorescence properties of Er~3+ ions in glass ceramics containing LaF_3 nanocrystals,Optical Materials？,2002, 19(3).
[2]
Ya-Wen Zhang ；Xiao Sun ；Rui Si ；Li-Ping You ；Chun-Hua Yan,Single-Crystalline and Monodisperse LaF_3 Triangular Nanoplates from a Single-Source Precursor,Journal of the American Chemical Society？,2005, 127(10).
[3]
Xun Wang ；Yadong Li,Fullerene-Like Rare-Earth Nanoparticles,Angewandte Chemie International Edition？,2003, 42(30).
[4]
Lemyre, JL ；Ritcey, AM,Synthesis of lanthanide fluoride nanoparticles of varying shape and size,Chemistry of Materials？,2005, 17(11).
[5]
Hehlen M P;Philips M L F;Cockroft N J;K H J Buschow,Encyclopedia of Materials:Science and Technologyed,New York:Elsevier Science Ltd,2001.
[6]
Pollnau M;Gamelin D R;Luthi S R,Power dependence of upconversion luminescence in lanthanide and transition-metal-ion systems,Physical Review B:Condensed Matter,2001(05).
[7]
Chunxia Li ；Zewei Quan ；Jun Yang,Highly Uniform and Monodisperse beta-NaYF4:Ln~(3+) (Ln = Eu,Tb,Yb/Er,and Yb/Tm) Hexagonal Microprism Crystals:Hydrothermal Synthesis and Luminescent Properties,Inorganic Chemistry？,2007, 46(16).
Auzel F E,Materials and devices using double-pumped-phosphors with energy transfer,Proceedings of the IEEE？ ,1973, 61.
[12]
Yi GS. ；Sun BQ. ；Yang FZ. ；Chen DP. ；Zhou YX. ；Cheng J.,Synthesis and characterization of high-efficiency nanocrystal up-conversion phosphors: Ytterbium and erbium codoped lanthanum molybdate,Chemistry of Materials？,2002, 14(7).
[13]
Sebastian Ferber ；Volker Gaebler ；Hans-Joachim Eichler,Violet and blue upconversion-emission from erbium-doped ZBLAN-fibers with red diode laser pumping,Optical Materials？,2002, 20(3).
[14]
Capobianco J A;Vetrone F;Alesio T D,Enhancement of red emission (4F9/2→ 4I15/2) via upeonversion in bulk and nanocrystalline cubic Y2 O3:Er3 +,Journal of Physical Chemistry,2002(06).
[15]
Capobianco J A;Vetrone F;Boyer J C,Visible upconversion of Er3 + doped nanocrystalline and bulk Lu2 O3,Opt Mnter,2002(02).
