Efficient luminescence and energy transfer in erbium silicate thin films

被引：132
作者：
Miritello, Maria
Lo Savio, Roberto
Iacona, Fabio
Franzo, Giorgia
Irrera, Alessia
Piro, Alberto M.
Bongiorno, Corrado
Priolo, Francesco
机构：
[1] CNR IMM, Sez Catania, I-95121 Catania, Italy
[2] Catania Univ, MATIS CNR INFM, I-95123 Catania, Italy
[3] Catania Univ, Dipartimento Fis & Astron, I-95123 Catania, Italy
来源：
ADVANCED MATERIALS | 2007年 / 19卷 / 12期
关键词：
D O I：
10.1002/adma.200601692
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Erbium silicate thin films that have a good morphology are synthesized by radiofrequency magnetron sputtering. Properly annealed films exhibit efficient luminescence at 1535 nm, and all of the Er ions in the material (about 10(22) cm(-3)) are demonstrated to be optically active. The possibility to efficiently excite Er ions also through electron-hole mediated processes is demonstrated in nanometer-scale Er-Si-O/Si multilayers (see figure). The results are relevant to the improvement of silicon-based devices.
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页码：1582 / +
页数：8
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