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Luminescence behavior of doped glass ceramics containing nanocrystals
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Image of FIG. 1.
FIG. 1.

DTA curves of (, Gd, La) glasses.

Image of FIG. 2.
FIG. 2.

Typical XRD patterns of , (, Gd, La) glass ceramics. The standard JCPDS patterns of (Ref. 17), (Ref. 18) and (Ref. 19) are also presented for comparison.

Image of FIG. 3.
FIG. 3.

HRTEM image (a) and magnified lattice image (b) of GCSrGd630 glass ceramic, where the crystalline phase can be assigned to tetragonal according to its interplanar spacing.

Image of FIG. 4.
FIG. 4.

EDS spectra of glassy domain (a) and crystalline domain (b) in GCSrGd630 glass ceramic.

Image of FIG. 5.
FIG. 5.

Transmittance spectra of glasses and glass ceramics.

Image of FIG. 6.
FIG. 6.

Dependence of crystal size of the precipitated nanocrystal on heat treated temperature in the glass ceramics.

Image of FIG. 7.
FIG. 7.

Luminescence spectra of the glasses and glass ceramics (excited at 378 nm).

Image of FIG. 8.
FIG. 8.

Luminescence decay curves of the state of in glasses and glass ceramics.

Image of FIG. 9.
FIG. 9.

Upconversion luminescence spectra of glasses and glass ceramics.

Image of FIG. 10.
FIG. 10.

Rise and decay curves of green upconversion luminescence of in glass ceramics.


Generic image for table
Table I.

Glass transition temperature , first crystallization temperature of (, Gd, La) glasses, and precipitated crystalline phase in glass ceramics.

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Table II.

Heat treated techniques of (, Gd, La) glass ceramics.

Generic image for table
Table III.

EDS analysis for different domains in GCSrGd630 without fitting Na peaks.


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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Luminescence behavior of Er3+ doped glass ceramics containing Sr2RF7(R=Y,Gd,La) nanocrystals