Microscopy 101


Figure 1: Centering the pattern with software. A) Centered pattern using manual adjustment in DiffTools. Three methods are available: Auto, Manual, and Center of Gravity. Concentric rings can be superimposed to help with centering the pattern. B) Manual Centering of the pattern in CSpot using the superimposed center spot Au rings. C) Pattern Centering and Corrections in CSpot. A circle or, to correct distortion, an ellipse can be fitted to the marked (111) ring to find the center of any pattern. D) Centering pattern in JEMS with superimposed rings and simulated integrated intensities. It also has a mag tool to see how well the center is set.


48 www.microscopy-today.com • 2020 July


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