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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Raza, Søren
Technical University of Denmark
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (12/12 displayed)
- 2023Gallium Phosphide Nanoparticles for Low‐Loss Nanoantennas in Visible Rangecitations
- 2022Computational Discovery and Experimental Demonstration of Boron Phosphide Ultraviolet Nanoresonatorscitations
- 2022Mode Hybridization in Silicon Core–Gold Shell Nanospherecitations
- 2021Nanoelectromechanical modulation of a strongly-coupled plasmonic dimercitations
- 2018DNA-Assembled Plasmonic Waveguides for Nanoscale Light Propagation to a Fluorescent Nanodiamondcitations
- 2017Broadband infrared absorption enhancement by electroless-deposited silver nanoparticlescitations
- 2016Electron energy-loss spectroscopy of branched gap plasmon resonatorscitations
- 2016Higher-order surface plasmons resonances and their disappearance in fewnanometer silver nanoparticles
- 2016Higher-order surface plasmons resonances and their disappearance in fewnanometer silver nanoparticles
- 2014Experimental study of nonlocal effects in plasmonic structures with Electron Energy Loss Spectroscopy
- 2013Blueshift of the surface plasmon resonance studied with Electron Energy Loss Spectroscopy (EELS)
- 2013Blueshift of the surface plasmon resonance in silver nanoparticles: substrate effectscitations
Places of action
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article
Gallium Phosphide Nanoparticles for Low‐Loss Nanoantennas in Visible Range
Abstract
Colloidal nanoparticles of gallium phosphide (GaP) with moderately high refractive index (n > 3) and a small extinction coefficient in the visible range are developed using a combination of mechanical milling and a pulsed laser melting process in solution. The combined process yields GaP nanoparticles with an almost spherical shape and the smooth surface. The single particle scattering spectroscopy reveals that smoothening of the surface by the pulsed laser melting process is crucial for achieving distinctive Mie resonances of the dipolar and higher-order modes in the visible range. The near-field profile at the Mie resonances studied by electron energy loss spectroscopy in a scanning transmission electron microscope confirms the existence of the magnetic dipole mode. Finally, the Purcell enhancement of fluorescence of molecules on the surface due to the Mie resonances is demonstrated.