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Figure 1
Different types of distortion in electron diffraction patterns: (a) original undistorted image, (b) elliptical distortion with the distortion axis inclined 30° away from the vertical axis, (c) parabolic (coma) distortion, (d) barrel with a negative [{\rho _{03}}] parameter, (e) pincushion with a positive [{\rho _{03}}], (f) spiral distortion.

Volume 9| Part 6| November 2022| Pages 715-717
ISSN: 2052-2525