Chroneos, A. and Bracht, H.
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|DOI (Digital Object Identifier) Link:||http://doi.org/10.1063/1.3010300|
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Early experiments have determined that the gallium and antimony diffusivities in gallium antimonide are similar, whereas recent more precise studies demonstrate that gallium diffuses up to three orders of magnitude faster than antimony. In the present study using electronic structure calculations we predict the concentrations and migration enthalpy barriers of important defects in gallium antimonide. It is predicted that the asymmetric self-diffusion in gallium antimonide is due to the insufficient concentration of the point defects that can facilitate the antimony transport. The results are in excellent agreement with the recent experimental evidence and theoretical studies in gallium antimonide and related materials. (c) 2008 American Institute of Physics.
|Item Type:||Journal Article|
|Copyright Holders:||2008 American Institute of Physics|
|Extra Information:||This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics.|
|Keywords:||density functional theory; enthalpy; gallium compounds; III-V semiconductors; interstitials|
|Academic Unit/Department:||Faculty of Science, Technology, Engineering and Mathematics (STEM) > Engineering and Innovation
Faculty of Science, Technology, Engineering and Mathematics (STEM)
|Depositing User:||Alexander Chroneos|
|Date Deposited:||07 Nov 2012 11:52|
|Last Modified:||02 Aug 2016 18:44|
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