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Ultraviolet free-exciton light emission in Er-passivated nanocrystals in silica
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10.1063/1.2362583
/content/aip/journal/apl/89/15/10.1063/1.2362583
http://aip.metastore.ingenta.com/content/aip/journal/apl/89/15/10.1063/1.2362583
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

TEM image of Er, doped silica. Inset: (right) high resolution image of a quantum dot and (left) histogram of the distribution of cluster size from TEM analysis.

Image of FIG. 2.
FIG. 2.

PL spectrum (open circles) of Er, glass ceramic excited at . The Gaussian fits of the main spectral components are drawn in solid curves.

Image of FIG. 3.
FIG. 3.

PL spectra in the visible range of Er, doped silica excited at at different temperatures (from , steps of about ). Inset: thermal behavior of the normalized (filled circles) and (open circles) moments of the PL band.

Image of FIG. 4.
FIG. 4.

Thermal behavior of the second moment of the defect-related PL band excited at . The solid line is the fit to Eq. (1); a schematics of the phonon mode in SnO is also shown (filled and empty circles are tin and oxygenatoms, respectively). Inset: Raman spectrum of the material in the energy region of SnO mode.

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/content/aip/journal/apl/89/15/10.1063/1.2362583
2006-10-13
2014-04-24
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Ultraviolet free-exciton light emission in Er-passivated SnO2 nanocrystals in silica
http://aip.metastore.ingenta.com/content/aip/journal/apl/89/15/10.1063/1.2362583
10.1063/1.2362583
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