Surface Plasmon Resonance Enhanced Magneto-Optics (SuPREMO): Faraday Rotation Enhancement in Gold-Coated Iron Oxide Nanocrystals
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Surface Plasmon Resonance Enhanced Magneto-Optics (SuPREMO): Faraday Rotation Enhancement in Gold-Coated Iron Oxide Nanocrystals
| Title: | Surface Plasmon Resonance Enhanced Magneto-Optics (SuPREMO): Faraday Rotation Enhancement in Gold-Coated Iron Oxide Nanocrystals |
| Author: |
Jain, Prashant K.; Xiao, Yanhong; Walsworth, Ronald L.; Cohen, Adam Ezra
Note: Order does not necessarily reflect citation order of authors. |
| Citation: | Jain, Prashant K., Yanhong Xiao, Ronald L. Walsworth, and Adam Ezra Cohen. 2009. Surface plasmon resonance enhanced magneto-optics (SuPREMO): Faraday rotation enhancement in gold-coated iron oxide nanocrystals. Nano Letters 9(4): 1644–1650. |
| Access Status: | Full text of the requested work is not available in DASH at this time (“dark deposit”). For more information on dark deposits, see our FAQ. |
| Full Text & Related Files: |
Jain_SurfacePlasmon.pdf (1.143Mb; PDF) 
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| Abstract: | We report enhanced optical Faraday rotation in gold-coated maghemite (γ-Fe2O3) nanoparticles. The Faraday rotation spectrum measured from 480-690 nm shows a peak at about 530 nm, not present in either uncoated maghemite nanoparticles or solid gold nanoparticles. This peak corresponds to an intrinsic electronic transition in the maghemite nanoparticles and is consistent with a near-field enhancement of Faraday rotation resulting from the spectral overlap of the surface plasmon resonance in the gold with the electronic transition in maghemite. This demonstration of surface plasmon resonance-enhanced magneto-optics (SuPREMO) in a composite magnetic/plasmonic nanosystem may enable design of nanostructures for remote sensing and imaging of magnetic fields and for miniaturized magneto-optical devices. |
| Published Version: | doi:10.1021/nl900007k |
| Other Sources: | http://www.cfa.harvard.edu/Walsworth/pdf/NanoLett_Supremo.pdf |
| Citable link to this page: | http://nrs.harvard.edu/urn-3:HUL.InstRepos:4382415 |
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