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Figure 3
(a) Examples of autocorrelation patterns from experimental electron diffractograms of mayenite. Crosses indicate the centroids of the peaks of the autocorrelation image used for the calculation and circles indicate the peak positions of the simulated diffraction pattern. The extra peaks in the second autocorrelation pattern were caused by low-intensity extra lattices in the original diffractogram (not shown). (b) Fine grid search of the unit cell (based on eight images). The `Residual' value on the vertical axis is defined as the square root of the average weighted residual in (4)[link].

Journal logoBIOLOGICAL
CRYSTALLOGRAPHY
ISSN: 1399-0047
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