Journal
NANO LETTERS
Volume 9, Issue 3, Pages 1255-1259Publisher
AMER CHEMICAL SOC
DOI: 10.1021/nl900208z
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Metallic nanostructures with their geometry-dependent optical resonances are a topic of intense current Interest due to their ability to manipulate light in ways not possible with conventional optical materials. A particularly fascinating aspect of these systems Is the recently realized possibility of creating optical frequency magnetic plasmon responses of comparable magnitude to the electric plasmon response. Here we show that Au nanocups at their magnetoinductive resonance have the unique ability to redirect scattered light In a direction dependent on cup orientation, as a true three-dimensional nanoantenna.
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