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Site-controlled Ag nanocrystals grown by molecular beam epitaxy—Towards plasmonic integration technology
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10.1063/1.4768914
/content/aip/journal/jap/112/12/10.1063/1.4768914
http://aip.metastore.ingenta.com/content/aip/journal/jap/112/12/10.1063/1.4768914
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Figures

Image of FIG. 1.
FIG. 1.

Proposed process for integrating active plasmonic nanostructures obtained by strain-driven self-alignment of Ag NCs on top of site-controlled QDs.

Image of FIG. 2.
FIG. 2.

RHEED patterns observed along [011], [001], and [0-11] after the deposition of Ag on GaAs (100). The circles mark the diffraction spots of the Ag NCs.

Image of FIG. 3.
FIG. 3.

(a). AFM measurements image of Ag NCs (white rectangles) on hole-patterned GaAs substrates with InAs QDs underneath. The patterned hole diameter is 2.5 μm. The scan field is 25 by 25 μm2. (b) AFM image at enlarged magnification of a single hole. The image is artificially shaded to make the InAs QDs with the Ag NC on top clearly visible. Arrows indicate the InAs QDs and Ag NC for clarity.

Image of FIG. 4.
FIG. 4.

AFM images of Ag NCs (white rectangles) on hole-patterned GaAs substrates without InAs QDs underneath. The patterned hole diameter is 2.5 μm. The scan field is 25 by 25 μm2. (b) AFM image at enlarged magnification of a single hole. The image is artificially shaded as in Figure 3(b) to make the Ag NC clearly visible. The arrow indicates the Ag NC for clarity.

Image of FIG. 5.
FIG. 5.

AFM measurements of Ag NCs on hole-patterned GaAs substrates with InAs QDs underneath. The patterned hole diameter in (a) is 1.5 μm. Under exposure in case of the 2.5 μm diameter holes in (b) results in arrays of submicron hole pairs. The scan field in (a) is 25 by 13 μm2.

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/content/aip/journal/jap/112/12/10.1063/1.4768914
2012-12-17
2014-04-18
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Site-controlled Ag nanocrystals grown by molecular beam epitaxy—Towards plasmonic integration technology
http://aip.metastore.ingenta.com/content/aip/journal/jap/112/12/10.1063/1.4768914
10.1063/1.4768914
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