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Strong polarization-dependent photoluminescence from silicon nanowire fibers
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10.1063/1.1996838
/content/aip/journal/apl/87/3/10.1063/1.1996838
http://aip.metastore.ingenta.com/content/aip/journal/apl/87/3/10.1063/1.1996838
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

SEM images of (a) the as-prepared SiNWs, and (b) the cross section of the fiber along its axis. The inset shows a SiNW fiber.

Image of FIG. 2.
FIG. 2.

PL spectra of (a) an ensemble of as-prepared random-oriented SiNWs and (b) a SiNW fiber recorded at two perpendicular polarization angles with the strongest and weakest PL intensity; (c) and (d) Gaussian deconvolution of the intense and weak PL spectrum, respectively, in b. Three elementary bands with maxima at 565–580, 605–640, and are required to produce a composite curve (shown as the dashed line) to fit the experimental data.

Image of FIG. 3.
FIG. 3.

Total PL intensity as a function of polarization angle. The solid line is a fit to , showing the 180° periodicity. The inset shows the total PL intensity and intensity of the component PL band as a function of polarization angle, revealing similar angular dependence.

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/content/aip/journal/apl/87/3/10.1063/1.1996838
2005-07-13
2014-04-24
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Strong polarization-dependent photoluminescence from silicon nanowire fibers
http://aip.metastore.ingenta.com/content/aip/journal/apl/87/3/10.1063/1.1996838
10.1063/1.1996838
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