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Mechanisms behind blue, green, and red photoluminescence emissions in and powders
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10.1063/1.2766856
/content/aip/journal/apl/91/5/10.1063/1.2766856
http://aip.metastore.ingenta.com/content/aip/journal/apl/91/5/10.1063/1.2766856

Figures

Image of FIG. 1.
FIG. 1.

(Left) CW-o periodic model of the unit cell. (Right) CW-d periodic model. The W2 was shifted by in the direction opposite to an oxygen atom .

Image of FIG. 2.
FIG. 2.

Room temperature depolarized Raman spectra of powders calcinated at 723, 773, 873, and for : (a) CW and (b) CM.

Image of FIG. 3.
FIG. 3.

PL spectrum of powders calcinated at 723, 773, 873, and for , excited with the excited wavelength of a krypton ion laser: (a) CW and (b) CM.

Tables

Generic image for table
Table I.

Gap energy and atom-projected DOS of ordered and disordered CW and CM periodic models. below the VB in total DOS.

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/content/aip/journal/apl/91/5/10.1063/1.2766856
2007-08-03
2014-04-24
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Mechanisms behind blue, green, and red photoluminescence emissions in CaWO4 and CaMoO4 powders
http://aip.metastore.ingenta.com/content/aip/journal/apl/91/5/10.1063/1.2766856
10.1063/1.2766856
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