Research Article

Threading Dislocations Piercing the Free Surface of an Anisotropic Hexagonal Crystal: Review of Theoretical Approaches

Figure 1

Cartesian frames and symbols attached to (a) an isolated inclined threading dislocation (TD) oriented by // in the plane and (b), two infinite sets of periodically distributed TDs oriented along . Each of these TDs has a cylindrical core, the section of which is a small square.
(a)
(b)