Luminescent properties and energy transfer in ZrO2:Sm3+ nanocrystals

被引:86
作者
De la Rosa-Cruz, E
Diaz-Torres, LA
Salas, P
Rodríguez, RA
Kumar, GA
Meneses, MA
Mosiño, JF
Hernández, JM
Barbosa-García, O
机构
[1] Ctr Invest Opt, Leon 37150, Gto, Mexico
[2] Inst Mexicano Petr, Mexico City 07730, DF, Mexico
[3] Rutgers State Univ, Dept Ceram & Mat Engn, Piscataway, NJ 08854 USA
[4] IFUNAM, Dept Estado Solido, Mexico City 07730, DF, Mexico
关键词
D O I
10.1063/1.1599960
中图分类号
O59 [应用物理学];
学科分类号
摘要
The photoluminescence and crystalline structure characterization of undoped and several samarium doped ZrO2 samples are reported. Strong fluorescence emission produced by the transitions (4)G(5/2)-->H-6(5/2,7/2,9/2) of Sm3+ was obtained by the excitation of the host at 320 nm. The energy transfer process from the host to the samarium ion was confirmed by the analysis of the ZrO2 fluorescence decay curve. It is shown that the content of the active ions stabilizes the tetragonal structure of ZrO2 at 1000degreesC, being 73% for 2 mol % Sm2O3 doped and 3% for undoped samples. The dependence between the fluorescence emission and the crystalline structure is discussed. (C) 2003 American Institute of Physics.
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页码:3509 / 3515
页数:7
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