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Europium luminescence enhancement in powders prepared by direct combustion synthesis
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10.1063/1.2431400
/content/aip/journal/jap/101/3/10.1063/1.2431400
http://aip.metastore.ingenta.com/content/aip/journal/jap/101/3/10.1063/1.2431400
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

X-ray diffractograms of powder doped with , obtained by combustion synthesis: (a) powder in the as-synthesized state and (b) heat-treated powder for in air at .

Image of FIG. 2.
FIG. 2.

Room temperature luminescence spectra of powder doped with : (a) powder sample in the as-synthesized state and (b) heat-treated powder for in air at . Excitation wavelength: .

Image of FIG. 3.
FIG. 3.

Luminescence signal peaked at for the powders. (a) Pulsed laser excitation signal to illustrate the detection system response time; (b) luminescence signal from the as-synthesized powder sample; and (c) the luminescence produced by the heat-treated sample. Excitation wavelength: .

Image of FIG. 4.
FIG. 4.

Schematic representation of possible luminescence pathways in the powder indicating possible cross-relaxation processes responsible for the luminescence enhancement.

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/content/aip/journal/jap/101/3/10.1063/1.2431400
2007-02-02
2014-04-21
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Europium luminescence enhancement in Al2O3:Eu3+ powders prepared by direct combustion synthesis
http://aip.metastore.ingenta.com/content/aip/journal/jap/101/3/10.1063/1.2431400
10.1063/1.2431400
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