Vibrations of Dimers of Mechanically Coupled Nanostructures: Analytical and Numerical Modeling

Autor: Jérémie Margueritat, Aurélien Crut, Jean Lermé

Publikováno v: Journal of Physical Chemistry C
Journal of Physical Chemistry C, American Chemical Society, 2021, 125 (15), pp.8339-8348. ⟨10.1021/acs.jpcc.1c01425⟩

International audience; The coupling effects affecting the vibrations of two close nanostructures (e.g., two metal nanoplates or nanospheres separated by a thin dielectric layer) may considerably alter their vibrational eigenfrequencies, as demonstra

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::96f352a734b7ff64f14d347e90d31d64
https://doi.org/10.1021/acs.jpcc.1c01425

Environmental Plasmonic Spectroscopy of Silver–Iron Nanoparticles: Chemical Ordering under Oxidizing and Reducing Conditions

Autor: Matthias Hillenkamp, Julien Ramade, M. Pellarin, Laurent Piccolo, Jean Lermé, Marie-Ange Lebeault, Emmanuel Cottancin, Cyril Langlois, Florent Calvo, Michel Broyer

Publikováno v: IMN 2019, International Meeting on Nanoalloys
IMN 2019, International Meeting on Nanoalloys, Jun 2019, Gênes, Lithuania
Journal of Physical Chemistry C
Journal of Physical Chemistry C, American Chemical Society, 2019, 123 (25), pp.15693-15706. ⟨10.1021/acs.jpcc.9b02422⟩
HAL

SSCI-VIDE+ECI2D+LPI; International audience; By combining a plasmonic metal with a reactive one, nanoalloys become valuable systemsfor optical purposes by using the Localized Surface Plasmon Resonance (LSPR) as theprobe for chemical processes. It is

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::effe605ddece90ebae06a917ed839cb8
https://doi.org/10.1021/acs.jpcc.9b02422

Influence of the illumination direction on the optical extinction by a scatterer close to a dielectric interface

Autor: Jean Lermé, M. Pellarin

Publikováno v: Physical Review A
Physical Review A, American Physical Society 2020, 102 (3), pp.033521. ⟨10.1103/PhysRevA.102.033521⟩

International audience; The intrinsic optical response of a scattering object is known to be modified when it is placed on a substrate. Moreover, the total extinction through ohmic losses and Rayleigh scattering is basically dependent on the reversal

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9fadb090da1bb2556f436d6a9c423584
https://hal.archives-ouvertes.fr/hal-02970785

Virtual Plasmonic Dimers for Ultrasensitive Inspection of Cluster–Surface Coupling

Autor: Hannes Hartmann, Ingo Barke, Sylvia Speller, Jean Lermé, Karl-Heinz Meiwes-Broer, Marga-Martina Pohl, Kevin Oldenburg

Publikováno v: Journal of Physical Chemistry C
Journal of Physical Chemistry C, American Chemical Society, 2019, 123 (2), pp.1379-1388. ⟨10.1021/acs.jpcc.8b08928⟩

International audience; Plasmonic sensors owe their sensitivity to the susceptibility of collective electron modes to tiny changes of the local environment. Simple sensors are based on metal nanoparticles where spectral shifts of the resonance are fr

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::96f90486784aaacfe28db180b9dcdec2
https://hal.archives-ouvertes.fr/hal-02361680

Single gold bipyramids on a silanized substrate as robust plasmonic sensors for liquid environments

Autor: Christophe Bonnet, Emmanuel Cottancin, Frédéric Lerouge, Jean Lermé, M. Pellarin, Jan-Michael Rye, Stephane Parola

Publikováno v: Nanoscale
Nanoscale, 2018, 10 (34), pp.16094-16101. ⟨10.1039/c8nr03400a⟩
Nanoscale, Royal Society of Chemistry, 2018, 10 (34), pp.16094-16101. ⟨10.1039/c8nr03400a⟩

Sensitive, robust and stable sensors are required to bring biosensing techniques from the forefront of research to clinical and commercial settings. To this end, we report on the development of new robust plasmonic sensors consisting of gold nano-bip

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d2f0f5a93027c8900974260a27d1d111
https://hal.science/hal-01896101