# Generation of a Screw Dislocation Network in a Small Angle Twist Boundary

| This is a famous drawing (probably coming from Read) that can be found in just about any book on dislocations.
|  | It shows the direct superposition of two twisted cubic lattices on the left, and the formation of a screw dislocation network with perfect (= S1) areas in between.

With frame

7.2.2 Case Studies: Small Angle Grain Boundaries in Silicon I

© H. Föll (Defects - Script)