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Tailored nanoscale plasmon-enhanced vibrational electron spectroscopy

Submitted by ltizei on Mon, 2020-01-27 18:25
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Atomic vibrations and phonons are an excellent source of information on nanomaterials that we can access through a variety of methods including Raman Scattering, infrared spectroscopy, and electron energy-loss spectroscopy (EELS). In the presence of a plasmon local field, vibrations are strongly modified, and in particular, their dipolar strengths are highly enhanced, thus rendering Raman scattering and infrared spectroscopy extremely sensitive techniques. Here, we experimentally demonstrate that the interacion between a relativistic electron and vibrational modes in nanostructures is fundamentally modified in the presence of plasmons. We finely tune the energy of surface plasmons in metallic nanowires in the vicinity of hexagonal boron nitride, making it possible to monitor and disentangle both strong phonon-plasmon coupling and plasmon-driven phonon enhancement at the nanometer scale. Due to the near-field character of the electron beam-phonon interaction, optically-inactive phonon modes are also observed. Read more »

Emergence of point defect states in a plasmonic crystal

Submitted by ltizei on Thu, 2019-12-05 14:43
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Plasmonic crystals are well known to have band structure including a band gap, enabling the control of surface plasmon propagation and confinement. The band dispersion relation of bulk crystals has been generally measured by momentum-resolved spectroscopy using far field optical techniques while the defects introduced in the crystals have separately been investigated by near field imaging techniques so far. Particularly, defect related energy levels introduced in the plasmonic band gap have not been observed experimentally. In order to investigate such a localized mode, we performed electron energy-loss spectroscopy (EELS) on a point defect introduced in a plasmonic crystal made up of flat cylinders protruding out of a metal film and arranged on a triangular lattice. The energy level of the defect mode was observed to lie within the full band-gap energy range. This was confirmed by a momentum-resolved EELS measurement of the band gap performed on the same plasmonic crystal. Read more »

Publications

Tizei, L.H.G., et al. Tailored nanoscale plasmon-enhanced vibrational electron spectroscopy. Nano Letters (2020).doi:10.1021/acs.nanolett.9b04659
Tizei, L.H.G. & Amato, M. Electronic structure and optical properties of semiconductor nanowires polytypes. The European Physical Journal B (2020).doi:10.1140/epjb/e2019-100375-7
Di Giulio, V., Kociak, M. & de Abajo, J.G.F. Probing quantum optical excitations with fast electrons. Optica 6, 1524 (2019). Download: 
Saito, H., et al. Emergence of point defect states in a plasmonic crystal. Physical Review B 100, (2019).
Yankovich, A.B., et al. Visualizing spatial variations of plasmon-exciton polaritons at the nanoscale using electron microscopy. Nano Letters (2019).doi:10.1021/acs.nanolett.9b03534
Guo, S., et al. Far-Field Radiation of Three-Dimensional Plasmonic Gold Tapers near Apexes. ACS Photonics 6, 2509 - 2516 (2019). Download: acsphotonics.9b00838(1).pdf (3.82 MB)
Maho, A., et al. Solvothermally-synthesized tin-doped indium oxide plasmonic nanocrystals spray-deposited onto glass as near-infrared electrochromic films. Solar Energy Materials and Solar Cells 200, 110014 (2019).
Guo, S., Talebi, N., Campos, A., Kociak, M. & van Aken, P.A. Radiation of Dynamic Toroidal Moments. ACS Photonics 6, 467 - 474 (2019).
Das, P., et al. Stimulated electron energy loss and gain in an electron microscope without a pulsed electron gun. Ultramicroscopy (2018).doi:10.1016/j.ultramic.2018.12.011 Download: 10.1016@j.ultramic.2018.12.011(1).pdf (2.1 MB)
Campos, A., et al. Plasmonic quantum size effects in silver nanoparticles are dominated by interfaces and local environments. Nature Physics (2018).doi:10.1038/s41567-018-0345-z Download: CNP.pdf (1.79 MB)
Tararan, A., et al. Optical gap and optically active intragap defects in cubic BN. Physical Review B 982121, (2018). Download: PhysRevB.98.094106.pdf (2.16 MB)
Lourenço-Martins, H., Das, P., Tizei, L.H.G., Weil, R. & Kociak, M. Self-hybridization within non-Hermitian localized plasmonic systems. Nature Physics 89, (2018). Download: LM2018.pdf (3.41 MB)
Schmidt, F.-P., et al. How Dark Are Radial Breathing Modes in Plasmonic Nanodisks?. ACS Photonics (2017).doi:10.1021/acsphotonics.7b01060
Das, P., Lourenço-Martins, H., Tizei, L.H.G., Weil, R. & Kociak, M. Nanocross: A Highly Tunable Plasmonic System. The Journal of Physical Chemistry C 121, 16521 - 16527 (2017). Download: The Journal of Physical Chemistry C Volume issue 2017 [doi 10.1021%2Facs.jpcc_.7b05548] Das, Pabitra; Lourenço-Martins, Hugo; Tizei, Luiz Henrique Galv -- Nanocross- A Highly Tunable Plasmonic System.pdf (1.27 MB)
Campos, A., et al. Plasmonic Breathing and Edge Modes in Aluminum Nanotriangles. ACS Photonics (2017).doi:10.1021/acsphotonics.7b00204 Download: Campos2017.pdf (5.45 MB)
Guzzinati, G., et al. Probing the symmetry of the potential of localized surface plasmon resonances with phase-shaped electron beams. Nature Communications 14999 (2017).doi:10.1038/ncomms14999 Download: Nature Communications 2017 eacute.pdf (1.55 MB)
Tizei, L.H.G. & Kociak, M. Advances in Imaging and Electron PhysicsQuantum Nanooptics in the Electron Microscope. (2017).doi:10.1016/bs.aiep.2017.01.002 Download: Tizei_Kociak_AIE.pdf (3.49 MB)
Kociak, M. & Zagonel, L.F. Cathodoluminescence in the scanning transmission electron microscope. Ultramicroscopy 176, 112-131 (2017). Download: STEMCL_8.pdf (2.43 MB)
Kawasaki, N., et al. Extinction and Scattering Properties of High-Order Surface Plasmon Modes in Silver Nanoparticles Probed by Combined Spatially Resolved Electron Energy Loss Spectroscopy and Cathodoluminescence. ACS Photonics (2016).doi:10.1021/acsphotonics.6b00257 Download: ACS Photonics 2016 Kawasaki.pdf (3.04 MB)
Meuret, S., et al. Lifetime Measurements Well below the Optical Diffraction Limit. ACS Photonics (2016).doi:10.1021/acsphotonics.6b00212 Download: ph500141j.pdf (7.44 MB)
Nagarajan, S., et al. Simultaneous cathodoluminescence and electron microscopy cytometry of cellular vesicles labeled with fluorescent nanodiamonds. Nanoscale (2016).doi:10.1039/c6nr01908k Download: c6nr01908k (1).pdf (1.46 MB)
Zagonel, L.F., et al. Nanometer-scale monitoring of quantum-confined Stark effect and emission efficiency droop in multiple GaN/AlN quantum disks in nanowires. Physical Review B 93, (2016). Download: PhysRevB.93.205410.pdf (2.26 MB)
Zhang, X., et al. InGaN nanowires with high InN molar fraction: growth, structural and optical properties. Nanotechnology 27, 195704 (2016). Download: nano_27_19_195704.pdf (2.66 MB)
Colliex, C., Kociak, M. & Stéphan, O. Electron Energy Loss Spectroscopy imaging of surface plasmons at the nanometer scale. Ultramicroscopy 162, A1 - A24 (2016). Download: Colliex2016.pdf (6.32 MB)
Losquin, A. & Kociak, M. Link between Cathodoluminescence and Electron Energy Loss Spectroscopy and the radiative and full ElectroMagnetic Local Density of States. ACS Photonics 151006180224009 (2015).doi:10.1021/acsphotonics.5b00416 Download: acsphotonics2E5b00416.pdf (1.76 MB)
Meuret, S., et al. Photon Bunching in Cathodoluminescence. Physical Review Letters 114, (2015). Download: PhysRevLett.114.197401.pdf (1.03 MB)
Pantzas, K., et al. Role of compositional fluctuations and their suppression on the strain and luminescence of InGaN alloys. Journal of Applied Physics 117, 055705 (2015).
Losquin, A., et al. Unveiling Nanometer Scale Extinction and Scattering Phenomena through Combined Electron Energy Loss Spectroscopy and Cathodoluminescence Measurements. Nano Letters 150120134914003 (2015).doi:10.1021/nl5043775 Download: Nano Lett. 2015 Losquin.pdf (2.86 MB)
Martin, J., et al. High-Resolution Imaging and Spectroscopy of Multipolar Plasmonic Resonances in Aluminum Nanoantennas. Nano Letters 14, 5517 - 5523 (2014). Download: Nano Lett. 2014 Martin.pdf (2.48 MB)
Tizei, L.H.G., et al. A polarity-driven nanometric luminescence asymmetry in AlN/GaN heterostructures. Applied Physics Letters 105, 143106 (2014). Download: Tizei_GaNQWCLAsymmetry_APL_2014.pdf (1.74 MB)
Bourrellier, R., et al. Nanometric Resolved Luminescence in h-BN Flakes: Excitons and Stacking Order. ACS Photonics 1, (2014). Download: bourrellier-acs-photonics.pdf (7.37 MB)
Kociak, M., et al. Seeing and measuring in colours: Electron microscopy and spectroscopies applied to nano-optics. Comptes Rendus Physique 15, 158 - 175 (2014). Download: 1-s2.0-S1631070513001515-main.pdf (2.66 MB)
Kociak, M. & Stéphan, O. Mapping plasmons at the nanometer scale in an electron microscope. Chemical Society Reviews (2014).doi:10.1039/c3cs60478k Download: Chem. Soc. Rev. 2014 Kociak.pdf (2.86 MB)
Losquin, A. Surface Plasmon modes revealed by fast electron based spectroscopies: from simple model to complex systems. (2013).
Tizei, L.H.G., et al. Spatial modulation of above-the-gap cathodoluminescence in InP nanowires. Journal of Physics: Condensed Matter 25, 505303 (2013). Download: Tizei2013_2.pdf (613.65 KB)
Mahfoud, Z., et al. Cathodoluminescence in a Scanning Transmission Electron Microscope: A Nanometer-Scale Counterpart of Photoluminescence for the Study of II–VI Quantum Dots. The Journal of Physical Chemistry Letters 4090 - 4094 (2013).doi:10.1021/jz402233x Download: Mahfoud2013.pdf (2.4 MB)
Losquin, A., et al. Experimental evidence of nanometer-scale confinement of plasmonic eigenmodes responsible for hot spots in random metallic films. Physical Review B 88, (2013). Download: Losquin2013.pdf (7.27 MB)
Pierret, A., et al. Structural and optical properties of Al x Ga 1- x N nanowires. physica status solidi (RRL) - Rapid Research Letters n/a - n/a (2013).doi:10.1002/pssr.201308009
Tizei, L.H.G. & Kociak, M. Spatially Resolved Quantum Nano-Optics of Single Photons Using an Electron Microscope. Physical Review Letters 110, (2013). Download: TizeiPRL2013.pdf (2.37 MB)
Zagonel, L.F., et al. Visualizing highly localized luminescence in GaN/AlN heterostructures in nanowires. Nanotechnology 23, 455205 (2012). Download: Zagonel_Nanotech.pdf (1.21 MB)
Myroshnychenko, V., et al. Plasmon Spectroscopy and Imaging of Individual Gold Nanodecahedra: A Combined Optical Microscopy, Cathodoluminescence, and Electron Energy-Loss Spectroscopy Study. Nano Letters 12, 4172 - 4180 (2012). Download: nl301742h.pdf (3.33 MB)
Boudarham, G. & Kociak, M. Modal decompositions of the local electromagnetic density of states and spatially resolved electron energy loss probability in terms of geometric modes. Physical Review B 85, (2012). Download: PhysRevB.85.245447.pdf (1.52 MB)
Rodríguez-González, B., et al. Surface Plasmon Mapping of Dumbbell-Shaped Gold Nanorods: The Effect of Silver Coating. Langmuir 120410144721001 (2012).doi:10.1021/la300269n Download: la300269n.pdf (4.19 MB)
Tizei, L.H.G. & Kociak, M. Spectrally and spatially resolved cathodoluminescence of nanodiamonds: local variations of the NV0 emission properties. Nanotechnology 23, 175702 (2012). Download: Nanotechnology 2012 Tizei-1.pdf (1.3 MB)
Tourbot, G., et al. Growth mechanism and properties of InGaN insertions in GaN nanowires. Nanotechnology 23, 135703 (2012). Download: Nanotechnology 2012 Tourbot.pdf (802.75 KB)
Mazzucco, S., et al. Ultralocal Modification of Surface Plasmons Properties in Silver Nanocubes. Nano Letters 120202105244000 (2012).doi:10.1021/nl2037672 Download: Nano Lett. 2012 Mazzucco.pdf (3.49 MB)
Kociak, M. & de Abajo, F.J.G. Nanoscale mapping of plasmons, photons, and excitons. MRS Bulletin 37, 39 - 46 (2012). Download: MRS Bull. 2012 Kociak-1.pdf (1.01 MB)
Boudarham, G. Nanooptique avec des électrons rapides : métamatériaux, formulation modale de la EMLDOS pour des systèmes plasmoniques. (2011).at <http://tel.archives-ouvertes.fr/docs/00/62/44/71/PDF/These_Boudarham_Guillaume_2011.pdf>
Mazzucco, S., et al. Spatially resolved measurements of plasmonic eigenstates in complex-shaped, asymmetric nanoparticles: gold nanostars. The European Physical Journal Applied Physics 54, 33512 (2011). Download: Eur. Phys. J. Appl. Phys. 2011 Mazzucco.pdf (3 MB)
Jacopin, G., et al. Single-Wire Light-Emitting Diodes Based on GaN Wires Containing Both Polar and Nonpolar InGaN/GaN Quantum Wells. Applied Physics Express 5, 014101 (2011). Download: Appl. Phys. Express 2011 Jacopin.pdf (836.15 KB)
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