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Experimental and theoretical correlation of very intense visible green photoluminescence in powders
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10.1063/1.2901176
/content/aip/journal/jap/103/6/10.1063/1.2901176
http://aip.metastore.ingenta.com/content/aip/journal/jap/103/6/10.1063/1.2901176

Figures

Image of FIG. 1.
FIG. 1.

Supercell representation of the cubic BZO structure: (a) ordered BZO- model and (b) disordered BZO- model.

Image of FIG. 2.
FIG. 2.

UV-vis absorbance spectra of BZO powders annealed at (a) 400, (b) 450, (d) 500, and (d) for under oxygen atmosphere.

Image of FIG. 3.
FIG. 3.

Band structure of (a) BZO- and (b) BZO- models.

Image of FIG. 4.
FIG. 4.

Total and atom-projected density of states for the (a) BZO- and BZO- models.

Image of FIG. 5.
FIG. 5.

-band EPR measurements at room temperature for BZO powders after annealed at (a) 400, (b) 450, (c) 500, and (d) for under oxygen atmosphere.

Image of FIG. 6.
FIG. 6.

Contour and surface plots of the electronic density of charge calculated in the (110) plane for (a) BZO-c model and (b) BZO- model. The arrows indicate the differences observed in surface plots.

Image of FIG. 7.
FIG. 7.

PL emission spectra of BZO powders annealed at (a) 400, (b) 450, (c) 500, and (d) for under oxygen atmosphere. The inset shows correlation of EPR spectra and BZO- and BZO- models with PL behavior.

Tables

Generic image for table
Table I.

Experimental gap energies in axis- and theoretical gap energies in the [001] direction of BZO powders.

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/content/aip/journal/jap/103/6/10.1063/1.2901176
2008-03-31
2014-04-25
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Experimental and theoretical correlation of very intense visible green photoluminescence in BaZrO3 powders
http://aip.metastore.ingenta.com/content/aip/journal/jap/103/6/10.1063/1.2901176
10.1063/1.2901176
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