Z. Jin et al., Effects of misfit dislocation interaction and 90 degrees-type misfit dislocations on strain relaxation behavior in strained epilayer, SOL ST ELEC, 43(2), 1999, pp. 355-358
The effects of misfit dislocation interaction and 90 degrees-type misfit di
slocations on strain relaxation behavior in a strained layer are considered
theoretically. Our results show that the interaction of misfit dislocation
s is responsible for the large residual strain in the strained epilayer and
that 90 degrees-type misfit dislocations play a very important role in the
final stage of strain relaxation. The strain is relaxed more completely by
90 degrees misfit dislocations than by 60 degrees dislocations. The theory
is consistent with experimental results. (C) 1998 Science Ltd. All rights
reserved.