Simulations of Dislocations in CdZnTe/SL/Si Substrates
Source: Journal of Electronic Materials, Volume 39, Number 7, July 2010 , pp. 1063-1069(7)
Abstract:Discrete dislocation dynamics simulations were employed to study the primary mechanisms by which superlattices (SLs) block threading dislocations (TDs) from reaching the surface of a composite CdZnTe/SL/Si substrate. We found that the difference in strain (composition) across layer boundaries played a key role as to whether a TD might veer away or continue across. We also found that, while the distance between interfaces had little effect on the motion of a single TD, it could have an impact on the dislocation tangle as a whole and should be considered carefully in SL design. We discuss our results in relation to the design of SLs for TD blocking.
Document Type: Research Article
Affiliations: 1: U.S. Army Research Laboratory, Aberdeen Proving Ground, Aberdeen, MD, USA, Email: firstname.lastname@example.org 2: U.S. Army Research Laboratory, Aberdeen Proving Ground, Aberdeen, MD, USA, Email: email@example.com
Publication date: July 2010