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Distance dependent interaction as the limiting factor for Si nanocluster to Er energy transfer in silica
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10.1063/1.2362600
/content/aip/journal/apl/89/16/10.1063/1.2362600
http://aip.metastore.ingenta.com/content/aip/journal/apl/89/16/10.1063/1.2362600
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Fraction of Er in the excited state as a function of incident flux at nonresonant excitation for the samples studied in this work.

Image of FIG. 2.
FIG. 2.

Experimental data and simulation of the number of Er atoms in the excited state for sample annealed for . Solid curves account for the evolution without upconversion and a different percentage of Er coupled to the Si nanoclusters. Dashed curves included upconversion effects.

Image of FIG. 3.
FIG. 3.

Effective excitation cross section of Er as a function of the incident flux at . The inset shows the representation of effective excitation cross section of sample annealed for as a function of the interaction radius. The characteristic distance obtained from that fitting is .

Image of FIG. 4.
FIG. 4.

Excitable Er fraction as a function of the concentration of sensitizers (Si nanoclusters) calculated from the distance dependent interaction model developed in this work.

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/content/aip/journal/apl/89/16/10.1063/1.2362600
2006-10-16
2014-04-24
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Distance dependent interaction as the limiting factor for Si nanocluster to Er energy transfer in silica
http://aip.metastore.ingenta.com/content/aip/journal/apl/89/16/10.1063/1.2362600
10.1063/1.2362600
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