Roadmap for with 2D Materials
Triggered by advances in atomic-layer exfoliation and growth techniques, along with the identification of a wide range of extraordinary physical properties in self-standing films consisting of one or a few …
Plasmon-Interband Hybridization and Anomalous Production of Hot Electrons in Aluminum Nanoantennas
Strong coupling typically occurs between two separate objects or between an object and its environment (such as an atom and a cavity). However, it can also occur between two different …
Ph. D position: Electron-photon Correlations for Probing Optical Excitations Nanometer- Scale Dynamics
IMPORTANT NOTICE: this offer is part of the https://lightinparis.eu/ MSCA COFUND programme. Application should be made here. Deadline for application is 26th March! Supervision Luiz Tizei and Mathieu Kociak Armin …
Nanosecond Nanothermometry in an Electron Microscope
Thermal transport in nanostructures plays a critical role in modern technologies. As devices shrink, techniques that can measure thermal properties at nanometer and nanosecond scales are increasingly needed to capture …
Quantum Confined Luminescence in Two Dimensions
The field of nanophotonics has witnessed a surge of interest in localized light emitters, driven by their potential to revolutionize optoelectronic devices. These emitters, including nanoparticles, nanowires, and quantum wells, …
High-Efficiency Coupling of Free Electrons to Sub-wavelength cube Modal Volume, High‐Q Photonic Cavities
We report on the design, realization, and experimental investigation by spatially resolved monochro- mated electron energy loss spectroscopy (EELS) of high- quality-factor cavities with modal volumes smaller than λ3, with …
μeV electron spectromicroscopy using free-space light
The synergy between free electrons and light has recently been leveraged to reach an impressive degree of simultaneous spatial and spectral resolution, enabling applications in microscopy and quantum optics. However, …
Excitonic absorption signatures of twisted bilayer WSe2 by electron energy-loss spectroscopy
Moiré twist angle underpins the interlayer interaction of excitons in twisted van der Waals hetero- and homostructures. The influence of twist angle on the excitonic absorption of twisted bilayer tungsten …
IMPULSE
The IMPULSE project (In situ MaPping insulator-to-metal transitions by Ultra-high resolution electron SpEctromicroscopy) will develop the characterization tools capable of mapping at sub-nanometer scale the insulating/metallic (I/M) nanodomains induced by insulator-to-metal transition (IMT).
Cathodoluminescence excitation spectroscopy: Nanoscale imaging of excitation pathways
Following optical excitations’ life span from creation to decay into photons is crucial in understanding materials photophysics. Macroscopically, this is studied using optical techniques, such as photoluminescence excitation spectroscopy. However, …