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Table 1 Measured aberrations for the electron probes (shown in Figs. 2, 3) used in the experiments

From: Detecting magnetic ordering with atomic size electron probes

 

Corrected probe

C34-aberrated probe

Aberration

Value

Value

C21a, C21b

225, 129 (nm)

157, 196 (nm)

C23a, C23b

−185, 44.1 (nm)

−173, 48.7 (nm)

C3

−0.01 (μm)

−1.85 (μm)

C32a, C32b

−1.78, 4.22 (μm)

5.08, 9.13 (μm)

C34a, C34b

0.67, −0.31 (μm)

9.95, 11.5 (μm)

C41a, C41b

−210.7, −262.3 (μm)

−210.7, −262.3 (μm)

C43a, C43b

348.5, −97.9 (μm)

348.5, −97.9 (μm)

C45a, C45b

68.0, −0.03 (μm)

68.0, −0.03 (μm)

C5

−0.19 (mm)

−0.19 (mm)

C52a, C52b

−1.18, −7.41 (mm)

−1.18, −7.41 (mm)

C54a, C54b

−1.75, −0.14 (mm)

−1.75, −0.14 (mm)

C56a, C56b

−0.63, −0.17 (mm)

−0.63, −0.17 (mm)

  1. Defocus, C12a and C12b were corrected manually during data acquisition. C12s were corrected within few tens of nanometers until the images show the best contrast. Here, the subscripts a and b refer to the optical axes of the corrector