2D square lattice | [001] symmetric tilt boundary | Rotate the right grain: CSL sites appear when lattices coincide.
Bicrystal
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Left grain
Right grain
CSL site
Grain boundary (GB)
Coincidence
Left grain
[100] ∥ x | [010] ∥ y
θ = 0°
[100] ∥ x | [010] ∥ y
θ = 0°
[001] symmetric
tilt boundary
tilt boundary
Right grain
[100] rotated by θ
θ = 0.00°
[100] rotated by θ
θ = 0.00°
Keys: ← → ±0.1°, Shift ±1°
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