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Figure 5
Anisotropy of Chkl values in silicon. (a) The stereographic projection viewed along the [[1\bar 10]] crystallographic direction displays the false-colour map of the Chkl (dependence of Chkl on the direction). Each point on the stereographic projection corresponds to a specific reciprocal-space direction. The small white points indicate the stereographic projections of the normals to all the lattice planes involved in the calculation. The colour scheme expresses the values Chkl/max(Chkl) according to the colour bar on the left. (b) The polar diagram of the cleavage ability for all the planes in the [[1\bar 10]] zone. The outer circle corresponds to the highest cleavage ability (C111 = 1.025 Å for the case of silicon).

IUCrJ
Volume 8| Part 5| September 2021| Pages 793-804
ISSN: 2052-2525
https://doi.org/10.1107/S2052252521007272