Anna Tararan
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View article: Dynamic Random Scan Approach of Spectrum Imaging for Temporal Evolution of Spectroscopic Signals
Dynamic Random Scan Approach of Spectrum Imaging for Temporal Evolution of Spectroscopic Signals Open
International audience
View article: Optical gap and optically active intragap defects in cubic BN
Optical gap and optically active intragap defects in cubic BN Open
We report a comprehensive study on the optical properties of cubic boron\nnitride (c-BN) and its optically active defects. Using electron energy-loss\nspectroscopy (EELS) within a monochromated scanning transmission electron\nmicroscope (S…
View article: Revisiting Graphene Oxide Structure via Spatially‐Resolved Electron Energy Loss Spectroscopy
Revisiting Graphene Oxide Structure via Spatially‐Resolved Electron Energy Loss Spectroscopy Open
Graphene oxide (GO) is obtained by chemical oxidation and exfoliation of natural graphite. In the last decade, it has attracted a widespread interest for its mechanical strength, tunable optoelectrical properties, simple processability and…
View article: Random scanning mode for the spectroscopy of sensitive materials
Random scanning mode for the spectroscopy of sensitive materials Open
Electron Energy Loss Spectroscopy (EELS) and Cathodoluminescence (CL) in a STEM microscope allow to characterize chemical composition and optical properties down to a subatomic scale. Nevertheless, a high electron dose is conveyed onto lim…
View article: Spectroscopy in fragile 2D materials : from Graphene Oxide to single molecules at hexagonal Boron Nitride
Spectroscopy in fragile 2D materials : from Graphene Oxide to single molecules at hexagonal Boron Nitride Open
Electron energy loss spectroscopy (EELS) and cathodoluminescence(CL) in a scanning transmission electron microscope (STEM) are extremely powerful techniques for the study of individual nanostructures. Nevertheless, fast electrons damage ex…
View article: Revisiting Graphene Oxide Chemistry via Spatially-Resolved Electron Energy Loss Spectroscopy
Revisiting Graphene Oxide Chemistry via Spatially-Resolved Electron Energy Loss Spectroscopy Open
The type and distribution of oxygen functional groups in graphene oxide and
\nreduced graphene oxide remain still a subject of great debate. Local analytic techniques
\nare required to access the chemistry of these materials at a nanometr…