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Spectroscopic analysis of -and -doped yttrium silicate crystalline powders prepared by combustion synthesis
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10.1063/1.3489992
/content/aip/journal/jap/108/7/10.1063/1.3489992
http://aip.metastore.ingenta.com/content/aip/journal/jap/108/7/10.1063/1.3489992

Figures

Image of FIG. 1.
FIG. 1.

XRPD data for one of the samples studied in this work ( of doped yttrium silicate powder). The Rietveld fitting is shown in red along with the experimental data (black dots) and identified phases.

Image of FIG. 2.
FIG. 2.

The luminescence of doped yttrium silicate powder obtained under UV excitation.

Image of FIG. 3.
FIG. 3.

Energy levels diagram of the cooperative UC process between pairs of and . The dotted arrows represent the ET channel.

Image of FIG. 4.
FIG. 4.

The UC luminescence from codoped yttrium silicate powder obtained under near-IR excitation .

Image of FIG. 5.
FIG. 5.

UC luminescence dynamics and fitting curve for one of the samples studied.

Tables

Generic image for table
Table I.

The structural parameters of the -doped and -codoped yttrium silicate powders. Indexed phases with less than 1% of total crystalline weight fraction were not included.

Generic image for table
Table II.

UV excited luminescence intensity ratio between transitions and , JO intensity parameters , luminescence lifetime , radiative and nonradiative transitions, and luminescence quantum efficiency for yttrium silicate and yttrium oxide powders doped with of and prepared by CS.

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/content/aip/journal/jap/108/7/10.1063/1.3489992
2010-10-04
2014-04-24
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Spectroscopic analysis of Eu3+ -and Eu3+:Yb3+-doped yttrium silicate crystalline powders prepared by combustion synthesis
http://aip.metastore.ingenta.com/content/aip/journal/jap/108/7/10.1063/1.3489992
10.1063/1.3489992
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