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Figure 15
Calculated STEM probe, 100 kV, 30 mrad objective aperture and 50 Å defocus spread (from chromatic aberration), Gaussian source size 0.5 Å, C45 = 0.2 mm, C56 = 10 mm and with small random residual measurement errors (see text). The solid line is the mean shape and the dashed line is the range from its standard deviation (azimuthally averaged). Also shown is a probe with an ideal aberration corrector (all geometric aberrations zero).

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ISSN: 2053-2733
Volume 72| Part 1| January 2016| Pages 1-27
doi:10.1107/S205327331501757X
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