Plate-like colloidal metal nanoparticles

L Scarabelli, M Sun, X Zhuo, S Yoo, JE Millstone… - Chemical …, 2023 - ACS Publications
The pseudo-two-dimensional (2D) morphology of plate-like metal nanoparticles makes them
one of the most anisotropic, mechanistically understood, and tunable structures available …

Optical excitations with electron beams: Challenges and opportunities

FJ Garcia de Abajo, V Di Giulio - ACS photonics, 2021 - ACS Publications
Free electron beams such as those employed in electron microscopes have evolved into
powerful tools to investigate photonic nanostructures with an unrivaled combination of …

Plasmonic photocatalysis: activating chemical bonds through light and plasmon

V Jain, RK Kashyap, PP Pillai - Advanced Optical Materials, 2022 - Wiley Online Library
The exceptionally large charge‐carrier density in photoexcited plasmonic nanoparticles
(NPs) can be used for the making and breaking of high‐energy chemical bonds, which forms …

Entangling free electrons and optical excitations

A Konečná, F Iyikanat, FJ García de Abajo - Science Advances, 2022 - science.org
The inelastic interaction between flying particles and optical nanocavities gives rise to
entangled states in which some excitations of the latter are paired with momentum changes …

Advances in ultrahigh-energy resolution EELS: phonons, infrared plasmons and strongly coupled modes

MJ Lagos, IC Bicket, SS Mousavi M, GA Botton - Microscopy, 2022 - academic.oup.com
Abstract Nowadays, sub-50 meV atom-wide electron probes are routinely produced for
electron energy loss spectroscopy in transmission electron microscopes due to …

Galvanic replacement reaction-regulated photoelectric response and enzyme-mimicking property of ionic liquid functionalized Cu@ Cu2O aerogels for dual-mode …

J Li, H Wang, M Liu, Y Qin, R Tan, L Hu, W Gu… - Chemical Engineering …, 2023 - Elsevier
Prostate-specific antigen (PSA) is a characteristic serum biomarker for screening prostate
cancer, which benefits the prostate cancer diagnosis at an early stage. At present, the …

Unveiling the coupling of single metallic nanoparticles to whispering-gallery microcavities

Y Auad, C Hamon, M Tencé, H Lourenço-Martins… - Nano …, 2021 - ACS Publications
Whispering-gallery mode resonators host multiple trapped narrow-band circulating optical
resonances that find applications in quantum electrodynamics, optomechanics, and sensing …

Selective probing of longitudinal and transverse plasmon modes with electron phase-matching

F Aguilar, H Lourenço-Martins, D Montero… - The Journal of …, 2023 - ACS Publications
The optical properties of metallic nanoparticles are dominated by localized surface
plasmons (LSPs). Their properties depend on the constituting material, the size, and shape …

Lossless Monochromator in an Ultrafast Electron Microscope Using Near-Field THz Radiation

M Yannai, Y Adiv, R Dahan, K Wang, A Gorlach… - Physical Review Letters, 2023 - APS
The ability to form monoenergetic electron beams is vital for high-resolution electron
spectroscopy and imaging. Such capabilities are commonly achieved using an electron …

Complete excitation of discrete quantum systems by single free electrons

FJ García de Abajo, EJC Dias, V Di Giulio - Physical Review Letters, 2022 - APS
We reveal a wealth of nonlinear and recoil effects in the interaction between individual low-
energy electrons (≲ 100 eV) and samples comprising a discrete number of states. Adopting …