Structural characterization with electron diffraction – 1D, 2D, 3D

CIC nanoGUNE Seminars

Tatiana Gorelik
Helmholtz Centre for Infection Research, Germany
nanoGUNE seminar room, Tolosa Hiribidea 76, Donostia - San Sebastian
Andrey Chuvilin
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Structural characterization with electron diffraction – 1D, 2D, 3D

Electron diffraction is an integral component of a Transmission Electron Microscope (TEM). For many decades, it played a supporting role in high-resolution TEM investigations. However, with the advent of 3D electron diffraction (3D ED) techniques, electron diffraction (ED) has transformed into a mature and self-sufficient methodology, capable of characterizing previously unknown crystal structures.

This presentation will offer a historical perspective on the development of 3D ED method. We will discuss the strategies for collecting 3D ED data, its processing, and the various techniques employed for structure analysis. Numerous illustrative examples, showcasing diverse applications of this technique, will be presented.

A particular emphasis will be placed on the application of the 3D ED technique to 2D crystals and the information that can be extracted from the data.

Finally, we will explore the data collection, processing, and analysis of electron pair distribution function (ePDF) data, accompanied by illustrative examples.

About the speaker

Helmholtz Centre for Infection Research, Department Structure and Function of Proteins, Inhoffenstraße 7, 38124, Braunschweig, Germany;
Helmholtz Institute for Pharmaceutical Research Saarland, Helmholtz Centre for Infection Research and Department of Pharmacy at Saarland University, Universitätscampus E8 1, 66123 Saarbrücken, Germany.