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Topological nanocolloids with facile electric switching of plasmonic properties | | Ye Yuan
; Ivan I. Smalyukh
; | | Date: |
29 Nov 2016 | | Abstract: | Combining topology and plasmonics paradigms in nanocolloidal systems may
enable new means of pre-engineering desired composite material properties. Here
we design and realize orientationally ordered assemblies of noble metal
nanoparticles with genus-one topology and unusual long-range ordering mediated
by their interactions with the surrounding nematic fluid host. Facile electric
switching of these composites is reminiscent to that of pristine liquid
crystals (LCs), but provides a means of reconfiguring the nanoparticle assembly
and thus also the ensuing composite medium’s optical properties. Our findings
may lead to formation of new molecular-colloidal soft matter phases with
unusual optical properties as well as optical metamaterials. | | Source: | arXiv, 1611.9920 | | Services: | Forum | Review | PDF | Favorites | |
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