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Designer magnetoplasmonics with nickel nanoferromagnets

AuthorsBonanni, Valentina; Chen, Jianing; Nogués, Josep ; Hillenbrand, Rainer; Åkerman, Johan; Dmitriev, Alexandre
Issue Date2011
PublisherAmerican Chemical Society
CitationNano Letters 11: 5333-5338 (2011)
AbstractWe introduce a new perspective on magnetoplasmonics in nickel nanoferromagnets by exploiting the phase tunability of the optical polarizability due to localized surface plasmons and simultaneous magneto-optical activity. We demonstrate how the concerted action of nanoplasmonics and magnetization can manipulate the sign of rotation of the reflected light’s polarization (i.e., to produce Kerr rotation reversal) in ferromagnetic nanomaterials and, further, how this effect can be dynamically controlled and employed to devise conceptually new schemes for biochemosensing. © 2011 American Chemical Society.
Identifiersdoi: 10.1021/nl2028443
issn: 1530-6984
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