Font Size: a A A

Pressure-induced phase transition in zinc sulfide: An ab initio study

Posted on:2007-03-19Degree:M.SType:Thesis
University:The University of Texas at El PasoCandidate:Martinez, IsraelFull Text:PDF
GTID:2451390005489878Subject:Physics
Abstract/Summary:
The phase-induced phase transition in zinc sulfide is studied using a constant-pressure ab initio technique. The reversible phase transition from the zinc-blende structure to a rock-salt structure is successfully reproduced through the simulations. The transformation mechanism at the atomistic level is characterized and found to be due to a monoclinic modification of the simulation cell, similar to that found in SiC. The observed transformation pathway supports recently proposed the universal transition state of high pressure zinc-blende to rock-salt transition in semiconductor compounds.
Keywords/Search Tags:Transition, Zinc sulfide, Ab initio
Related items