Blog

Dive into the world of X-ray and electron detection with DECTRIS blog.

Do You Need a Different Detector for Every Application?

Your microscope will be asked to do things that were not planned: 4D STEM this year, in-situ TEM next year, and maybe 3D electron diffraction the next? Each method seems to call for its own camera, and few labs can buy one per technique. Four recent papers, on four very different instruments, show one detector doing all of these jobs.One microscope, one camera, many methods An electron microscope is a versatile analytical instrument whose primary function is to extract information from a specimen. Specimens contain a wide range of structural, chemical, and physical information, which can be in

What Makes a Good 4D STEM Dataset?

4D STEM acquires a diffraction pattern at every probe position as the electron beam is scanned across the specimen. An overview of the method and its principal applications is given in. The question of what constitutes a good 4D STEM dataset has no single answer, and it depends on the intended analysis. A dataset suitable for virtual bright-field imaging is not necessarily suitable for ptychography, and a dataset for strain mapping would be poorly suited to differential phase contrast. The acquisition strategy must be chosen with the downstream analysis in mind. This article discusses several

How to Run an Electron Microscopy Facility

Learn about the inner workings of the electron microscopy facilities at the PSI in this interview with Dr. Elisabeth Müller and Dr. Emiliya Poghosyan!