This process was considered theoretically. By using elasticity theory, the corresponding critical thicknesses of anisotropic media were derived. Together with the experimental evidence, the fact that the critical thickness which was deduced for a dissociated threading dislocation was smaller than that for an undissociated threading dislocation, suggested that misfit dislocation generation by dissociated threading dislocations was more likely. Because the gliding geometries of misfit dislocations depended upon which partial was the leading one, and upon the critical thickness for each partial, all of the possible cases were considered.
J.Zou, D.J.H.Cockayne: Materials Science Forum, 1995, 189-190, 279-84