Progress in electron-beam spectroscopies has recently enabled the study of optical
excitations with combined space, energy and time resolution in the nanometre …

Free electron beams such as those employed in electron microscopes have evolved into
powerful tools to investigate photonic nanostructures with an unrivaled combination of …

When impinging on optical structures or passing in their vicinity, free electrons can
spontaneously emit electromagnetic radiation, a phenomenon generally known as …

Following optical excitations' life span from creation to decay into photons is crucial in
understanding materials photophysics. Macroscopically, this is studied using optical …

III-Nitride micro-LEDs are promising building blocks for the next generation of high
performance microdisplays. To reach a high pixel density, it is desired to achieve micro …

Free electron beams and their quantum coupling with photons are attracting a rising interest
due to the basic questions they address and the innovative technology these particles are …

Cathodoluminescence (CL) nanoscopy is proven to be a powerful tool to explore nanoscale
optical properties, whereby free electron beams achieve a spatial resolution far beyond the …

Cathodoluminescence (CL) spectroscopy provides a powerful way to characterize optical
properties of materials with deep-subwavelength spatial resolution. While CL imaging to …

Electron–photon temporal correlations in electron energy loss spectroscopy (EELS) and
cathodoluminescence (CL) spectroscopies have recently been used to measure the relative …

GaN growth on cone-shaped nanoscale patterned sapphire substrates (NPSS) in the initial
stages was investigated via a series of growth interruptions. The thickness of the nucleation …