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Optically pumped ultraviolet lasing from nitride nanopillars at room temperature
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10.1063/1.3449576
/content/aip/journal/apl/96/24/10.1063/1.3449576
http://aip.metastore.ingenta.com/content/aip/journal/apl/96/24/10.1063/1.3449576
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

[(a)–(d)] Schematic diagrams depicting the fabrication process of the nitride-based nanopillars. (e) FESEM image showing nanopillars array across the nitride sample. In the close-up image shown in the inset of (e), nanopillars of high aspect ratio can be clearly resolved.

Image of FIG. 2.
FIG. 2.

PL spectra of the as-groan and nanopillar sample taken at room temperature. The curves are normalized and shifted in the -axis for better comparison.

Image of FIG. 3.
FIG. 3.

The emission spectra under different excitation density for the nanopillar sample. Figure in the inset shows the dependence of the PL integrated intensity on the laser excitation density.

Image of FIG. 4.
FIG. 4.

The reflectance spectra of the nanopillar sample together with the emission spectra under different excitation densities.

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/content/aip/journal/apl/96/24/10.1063/1.3449576
2010-06-14
2014-04-21
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Optically pumped ultraviolet lasing from nitride nanopillars at room temperature
http://aip.metastore.ingenta.com/content/aip/journal/apl/96/24/10.1063/1.3449576
10.1063/1.3449576
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