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![[Figure 2]](hx5080fig2mag.jpg)
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Figure 2
Electron diffraction conditions of a crystal containing planar defects. The electron beam follows the crystalline direction u. The diffraction spots are the vectors g of the reciprocal lattice that intersect the Ewald sphere; they are given by the condition u· g = 0 (zero-order Laue zone). The vectors g of higher-order Laue zones u· g = n are not in diffraction condition but, in the presence of planar defects, they can be degenerated along the direction s normal to the defect plane and the vectors g + ks with k ∈ [−1, 1] intersect the Ewald sphere when (g + ks) = 0. |
![[Figure 2]](hx5080fig2.jpg)
 | JOURNAL OF APPLIED CRYSTALLOGRAPHY |
ISSN: 1600-5767
