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Título: | Hybrid magnetoplasmonic crystals boost the performance of nanohole arrays as plasmonic sensors |
Autor: | Caballero García, Blanca CSIC; García-Martín, Antonio CSIC ORCID ; Cuevas, J. C. | Palabras clave: | Magnetoplasmonic crystals Nanohole arrays Plasmonic sensors Transverse magneto-optical Kerr effect |
Fecha de publicación: | 19-ene-2016 | Editor: | American Chemical Society | Citación: | ACS photonics 3(2): 203–208 (2016) | Resumen: | We present here a theoretical study that shows how the use of hybrid magnetoplasmonic crystals comprising both ferromagnetic and noble metals leads to a large enhancement of the performance of nanohole arrays as plasmonic sensors. In particular, we propose using Au–Co–Au films perforated with a periodic array of subwavelength holes as transducers in magneto-optical surface-plasmon-resonance sensors, where the sensing principle is based on measurements of the transverse magneto-optical Kerr effect. We demonstrate that this detection scheme may result in bulk figures of merit that are 2 orders of magnitude larger than those of any other type of plasmonic sensor. The sensing strategy put forward here can make use of the different advantages of nanohole-based plasmonic sensors such as miniaturization, multiplexing, and its combination with microfluidics. | Versión del editor: | http://dx.doi.org/10.1021/acsphotonics.5b00658 | URI: | http://hdl.handle.net/10261/181048 | DOI: | 10.1021/acsphotonics.5b00658 | E-ISSN: | 2330-4022 |
Aparece en las colecciones: | (IMN-CNM) Artículos |
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