TiO2 exists naturally in three crystalline forms: Anatase, rutile, brookite, and TiO2 (B). These
polymorphs exhibit different properties and consequently different photocatalytic …

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

Increasing demand for every faster information throughput is driving the emergence of
integrated photonic technology. The traditional silicon platform used for integrated …

This review discusses how low-energy valence excitations created by swift electrons can
render information on the optical response of structured materials with unmatched spatial …

Two‐dimensional layered graphene‐like crystals including transition‐metal dichalcogenides
(TMDs) have received extensive research interest due to their diverse electronic …

A new generation of electron microscopes is able to explore the microscopic properties of
materials and devices as diverse as transistors, turbine blades and interfacial …

Monochromated electron energy loss spectroscopy (EELS) is one of the leading techniques
to study materials properties that correspond to low (< 5 eV) energy losses (ie. band-gaps …

Two-dimensional (2D) layered metal dichalcogenides constitute a promising class of
materials for photodetector applications due to their excellent optoelectronic properties. The …

We investigate the impacts of zero loss peak (ZLP) removal and retardation effects altering
the electron energy loss spectrum on the optical properties obtained by using Kramers …

Nanoscale optical band gap variations in epitaxial thin films of two different spinel ferrites, ie,
NiFe 2 O 4 (NFO) and CoFe 2 O 4 (CFO), have been investigated by spatially resolved high …