Design guidelines for an electron diffractometer for structural chemistry and structural biology

Heidler, Jonas and Pantelic, Radosav and Wennmacher, Julian T. C. and Zaubitzer, Christian and Fecteau-Lefebvre, Ariane and Goldie, Kenneth N. and Müller, Elisabeth and Holstein, Julian J. and van Genderen, Eric and De Carlo, Sacha and Gruene, Tim. (2019) Design guidelines for an electron diffractometer for structural chemistry and structural biology. Acta Crystallographica Section D, 75 (Pt 5). pp. 458-466.

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Official URL: https://edoc.unibas.ch/78555/

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3D electron diffraction has reached a stage where the structures of chemical compounds can be solved productively. Instrumentation is lagging behind this development, and to date dedicated electron diffractometers for data collection based on the rotation method do not exist. Current studies use transmission electron microscopes as a workaround. These are optimized for imaging, which is not optimal for diffraction studies. The beam intensity is very high, it is difficult to create parallel beam illumination and the detectors used for imaging are of only limited use for diffraction studies. In this work, the combination of an EIGER hybrid pixel detector with a transmission electron microscope to construct a productive electron diffractometer is described. The construction not only refers to the combination of hardware but also to the calibration of the system, so that it provides rapid access to the experimental parameters that are necessary for processing diffraction data. Until fully integrated electron diffractometers become available, this describes a setup for productive and efficient operation in chemical crystallography.
Faculties and Departments:05 Faculty of Science
UniBasel Contributors:Goldie, Kenneth N.
Item Type:Article, refereed
Article Subtype:Research Article
Publisher:Wiley-Blackwell Publishing
Note:Publication type according to Uni Basel Research Database: Journal article
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Last Modified:01 Oct 2020 09:13
Deposited On:01 Oct 2020 09:13

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