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Surface-plasmon-enhanced band-edge emission from Au/GaN powders
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10.1063/1.3581214
/content/aip/journal/apl/98/16/10.1063/1.3581214
http://aip.metastore.ingenta.com/content/aip/journal/apl/98/16/10.1063/1.3581214
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Room-temperature PL spectra of GaN nanopowders with and without Au deposition. Inset shows the absorbance spectra of Au/GaN nanopowders measured at 300 K.

Image of FIG. 2.
FIG. 2.

PL spectra of (a) GaN nanopowders without Au deposition and (b) Au (2 nm)/GaN nanopowders measured at temperatures between 20 and 300 K. Insets show the Arrhenius plot of the integrated PL intensity.

Image of FIG. 3.
FIG. 3.

(a) PL spectrum of Au (2 nm)/GaN nanopowders at 20 K plotted on a logarithmic scale. Inset shows the FT spectrum of the PL spectrum. (b) Raman spectrum of GaN nanopowders at room temperature.

Image of FIG. 4.
FIG. 4.

Temperature dependence of the bound-exciton peak energy in Au (2 nm)/GaN nanopowders and that of the TO-phonon replicas. The solid and dashed lines represent the results calculated using Eqs. (2) and (3), respectively.

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/content/aip/journal/apl/98/16/10.1063/1.3581214
2011-04-19
2014-04-20
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Surface-plasmon-enhanced band-edge emission from Au/GaN powders
http://aip.metastore.ingenta.com/content/aip/journal/apl/98/16/10.1063/1.3581214
10.1063/1.3581214
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