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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
Tuning the magneto-optical response of iron oxide nanocrystals in Au- and Ag-based plasmonic media
ACS Applied Materials and Interfaces, Volume 5, No. 6, Year 2013
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Description
We investigated the magneto-optical response of chemically synthesized iron oxide magnetic nanocrystals, optically coupled with ordered planar arrays of plasmonic nanoparticles. We compare the signals from two classes of systems, featuring either Au or Ag as the plasmonic counterpart. The localized surface plasmon resonance of the Ag and Au nanoparticles arrays were superimposed or detuned, respectively, with respect to the dominant magneto-optical transitions of the magnetic material. Under resonance, a significant enhancement of the magneto-optical signal was observed. In both cases, we could separate the purely plasmonic and the magnetic contributions in the magneto-optical spectrum of the optically coupled composite based on their different magnetic-field dependence. © 2013 American Chemical Society.
Authors & Co-Authors
Magnano, Elena
Italy, Rome
Consiglio Nazionale Delle Ricerche
Bondino, Federica
Italy, Rome
Consiglio Nazionale Delle Ricerche
Canepa, Maurizio
Italy, Genoa
Università Degli Studi Di Genova
Statistics
Citations: 17
Authors: 3
Affiliations: 4
Identifiers
Doi:
10.1021/am3027234
ISSN:
19448252