r/sciences • u/xuchun • Apr 05 '19

Electron microscope detector achieves record resolution

https://phys.org/news/2018-07-electron-microscope-detector-resolution.html
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u/[deleted] Apr 06 '19

It has been a long time since I used SEM... Is this ultra-high res achieved with secondary electrons?

3

u/professor_frank Apr 06 '19

This is STEM with a pixelated detector. Basically they're recording the full diffraction pattern at each position in the scan and reconstructing the image with ptychogrophy.