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Optical field-enhancement in metal nanoparticle arrays contacted by electron beam induced deposition
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10.1063/1.3599713
/content/aip/journal/apl/98/24/10.1063/1.3599713
http://aip.metastore.ingenta.com/content/aip/journal/apl/98/24/10.1063/1.3599713
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Figures

Image of FIG. 1.
FIG. 1.

(a) Sketch of a spatially trimmed NP array with contacts patterned by EBID. (b) SEM image of a gold NP array with EBID contacts. (c) High resolution SEM image of such a NP array. (d) vs characteristic of a NP array . (e) Superposition of the photoconductance (center) and reflection (peripheral signal) as a function of laser spot position of the array from (b). (f) High resolution scan of the photoconductance as a function of laser spot position [, , , and in (e) and (f)].

Image of FIG. 2.
FIG. 2.

[(a) and (b)] Simulations of the electrical field distribution induced by a wide laser beam at focused on wide and 20 nm thick contacts with a distance of 200 nm. Arrows denote the orientation of the electric field polarization. (c) Photoconductance of an array as a function of the rotation angle of the polarization (black squares, , , , and ). Line represents sinusoidal fit. Inset: FFT of the data. (d) Relative amplitude of the sinusoidal fit as in (c) as a function of the distance between the EBID contacts. Line indicates the wide Gaussian shape of the laser spot.

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/content/aip/journal/apl/98/24/10.1063/1.3599713
2011-06-13
2014-04-18
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Optical field-enhancement in metal nanoparticle arrays contacted by electron beam induced deposition
http://aip.metastore.ingenta.com/content/aip/journal/apl/98/24/10.1063/1.3599713
10.1063/1.3599713
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