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Tailoring plasmon resonances in the deep-ultraviolet by size-tunable fabrication of aluminum nanostructures
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10.1063/1.4747489
/content/aip/journal/apl/101/8/10.1063/1.4747489
http://aip.metastore.ingenta.com/content/aip/journal/apl/101/8/10.1063/1.4747489

Figures

Image of FIG. 1.
FIG. 1.

SEM images demonstrating the shrinkage of the gaps between aligned PS beads upon microwave heating. The heating times were (a) 0 s, (b) 90 s, (c) 100 s, and (d) 110 s. The scale bar is 300 nm.

Image of FIG. 2.
FIG. 2.

SEM images of Al nanostructures fabricated using nanosphere masks heated for (a) 0 s, (b) 90 s, (c) 100 s, and (d) 110 s. The deposition thickness was 30 nm. The scale bar is 300 nm.

Image of FIG. 3.
FIG. 3.

(a) Extinction spectra of the Al nanostructures fabricated through PS masks with different heating times of 0 s, 90 s, 100 s, and 110 s, represented by solid lines. The spectra are normalized. The overlaid circular dots are the calculated extinction spectra of single Al nanostructures with sizes of 80 nm, 71 nm, 59 nm, and 50 nm. In the calculations, the shapes of the nanostructures were modeled as circular discs for the 50 nm and 59 nm-wide structures and as triangular discs for the 71 nm and 80 nm-wide structures, all with heights set at 30 nm. The black dashed line represents the calculated extinction spectrum for periodically aligned 80 nm nanostructures in a graphene pattern. An layer of 2 nm thickness was assumed. (b) LSPR peak wavelength vs. structure’s lateral size. Experimental data are plotted in the closed squares, with the error bars representing the standard deviation of the structure’s width. Theoretically calculated values are plotted in open circles.

Tables

Generic image for table
Table I.

Size, circularity, and LSPR wavelength of the nanostructures fabricated with different heating times.

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/content/aip/journal/apl/101/8/10.1063/1.4747489
2012-08-22
2014-04-18
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Tailoring plasmon resonances in the deep-ultraviolet by size-tunable fabrication of aluminum nanostructures
http://aip.metastore.ingenta.com/content/aip/journal/apl/101/8/10.1063/1.4747489
10.1063/1.4747489
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