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Highly localized heat generation by femtosecond laser induced plasmon excitation in Ag nanowires
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10.1063/1.4790189
/content/aip/journal/apl/102/7/10.1063/1.4790189
http://aip.metastore.ingenta.com/content/aip/journal/apl/102/7/10.1063/1.4790189
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Figures

Image of FIG. 1.
FIG. 1.

Morphology of nanowires after femtosecond laser illumination indicating the location of plasmonic heating: (a)–(c) on an amorphous carbon substrate, (d) after irradiation in liquid. In (a) melting occurs at the ends of the nanowire and in the cross-sectional area adjacent to the junction between two wires. (b) and (c) Bright and dark field TEM images of the terminal nano-particles, showing a grain boundary caused by melting and solidification. (d) After irradiation in liquid without the presence of a substrate.

Image of FIG. 2.
FIG. 2.

Laser polarization perpendicular to the long axis of the Ag nanowire (a) melting at the end of the wire. (b) Distributed melting where the nanowire has separated into nanoparticles. (c) Absorption spectra as calculated from FDTD simulation. (d) Electric field |E| distribution calculated by FDTD. (e) |E| distribution when the Ag nanorod has melted at each end. (f) |E| distribution when particles have separated from the end of the nanowire. The arrows indicate the polarization direction.

Image of FIG. 3.
FIG. 3.

Laser polarization parallel to the long axis of the Ag nanowire. (a) and (b) After laser-induced melting and separation into nanoparticles and nanobars. (c) Absorption spectra as calculated from FDTD simulation; (d) electric field |E| distribution calculated by FDTD. (e) |E| distribution when the Ag nanorod has melted at both ends. (f) |E| distribution when particles have separated from the end of the nanowire. The arrows indicate the polarization direction.

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/content/aip/journal/apl/102/7/10.1063/1.4790189
2013-02-21
2014-04-19
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Highly localized heat generation by femtosecond laser induced plasmon excitation in Ag nanowires
http://aip.metastore.ingenta.com/content/aip/journal/apl/102/7/10.1063/1.4790189
10.1063/1.4790189
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