Fano coil-type resonance for magnetic hot-spot generation

A. Nazir; S. Panaro; R. Proietti Zaccaria; C. Liberale; F. De Angelis; A. Toma

doi:10.1021/nl500452p

Fano coil-type resonance for magnetic hot-spot generation

A. Nazir, S. Panaro, R. Proietti Zaccaria, C. Liberale, F. De Angelis, A. Toma^*

^*Corresponding author for this work

Bioscience

Research output: Contribution to journal › Article › peer-review

90 Scopus citations

Abstract

The possibility to develop nanosystems with appreciable magnetic response at optical frequencies has been a matter of intense study in the past few years. This aim was strongly hindered by the saturation of the magnetic response of "natural" materials beyond the THz regime. Recently, in order to overcome such limitation, it has been considered to enhance the magnetic fields through the induction of displacement currents triggered by plasmonic resonances. Here we investigate a nanoassembly supporting the hybridization of an electric and magnetic plasmonic mode in Fano resonance conditions. Taking advantage of the enhancement properties owned by such interferential resonance, we have been able to generate an intense and localized magnetic hot-spot in the near-infrared spectral region.

Original language	English (US)
Pages (from-to)	3166-3171
Number of pages	6
Journal	Nano Letters
Volume	14
Issue number	6
DOIs	https://doi.org/10.1021/nl500452p
State	Published - Jun 11 2014

Keywords

Fano resonance
Localized surface plasmon
dark mode
electron beam lithography
magnetic hot-spot

ASJC Scopus subject areas

Bioengineering
General Chemistry
General Materials Science
Condensed Matter Physics
Mechanical Engineering

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10.1021/nl500452p

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title = "Fano coil-type resonance for magnetic hot-spot generation",

abstract = "The possibility to develop nanosystems with appreciable magnetic response at optical frequencies has been a matter of intense study in the past few years. This aim was strongly hindered by the saturation of the magnetic response of {"}natural{"} materials beyond the THz regime. Recently, in order to overcome such limitation, it has been considered to enhance the magnetic fields through the induction of displacement currents triggered by plasmonic resonances. Here we investigate a nanoassembly supporting the hybridization of an electric and magnetic plasmonic mode in Fano resonance conditions. Taking advantage of the enhancement properties owned by such interferential resonance, we have been able to generate an intense and localized magnetic hot-spot in the near-infrared spectral region.",

keywords = "Fano resonance, Localized surface plasmon, dark mode, electron beam lithography, magnetic hot-spot",

author = "A. Nazir and S. Panaro and {Proietti Zaccaria}, R. and C. Liberale and {De Angelis}, F. and A. Toma",

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T1 - Fano coil-type resonance for magnetic hot-spot generation

AU - Nazir, A.

AU - Panaro, S.

AU - Proietti Zaccaria, R.

AU - Liberale, C.

AU - De Angelis, F.

AU - Toma, A.

PY - 2014/6/11

Y1 - 2014/6/11

N2 - The possibility to develop nanosystems with appreciable magnetic response at optical frequencies has been a matter of intense study in the past few years. This aim was strongly hindered by the saturation of the magnetic response of "natural" materials beyond the THz regime. Recently, in order to overcome such limitation, it has been considered to enhance the magnetic fields through the induction of displacement currents triggered by plasmonic resonances. Here we investigate a nanoassembly supporting the hybridization of an electric and magnetic plasmonic mode in Fano resonance conditions. Taking advantage of the enhancement properties owned by such interferential resonance, we have been able to generate an intense and localized magnetic hot-spot in the near-infrared spectral region.

AB - The possibility to develop nanosystems with appreciable magnetic response at optical frequencies has been a matter of intense study in the past few years. This aim was strongly hindered by the saturation of the magnetic response of "natural" materials beyond the THz regime. Recently, in order to overcome such limitation, it has been considered to enhance the magnetic fields through the induction of displacement currents triggered by plasmonic resonances. Here we investigate a nanoassembly supporting the hybridization of an electric and magnetic plasmonic mode in Fano resonance conditions. Taking advantage of the enhancement properties owned by such interferential resonance, we have been able to generate an intense and localized magnetic hot-spot in the near-infrared spectral region.

KW - Fano resonance

KW - Localized surface plasmon

KW - dark mode

KW - electron beam lithography

KW - magnetic hot-spot

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Fano coil-type resonance for magnetic hot-spot generation

Abstract

Keywords

ASJC Scopus subject areas

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