TITLE

Analysis of screening effects on interband Auger processes in GaSb

AUTHOR(S)
Yevick, David; Bardyszewski, Witold
PUB. DATE
July 1987
SOURCE
Applied Physics Letters;7/13/1987, Vol. 51 Issue 2, p124
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
We analyze the dependence of the Auger coefficient of GaSb on the assumed inverse screening length λ. We demonstrate that current experimental values can only be reproduced if λ[bar_over_tilde:_approx._equal_to]0. We also derive this result theoretically with a general nonequilibrium Green’s function technique and provide a simple intuitive justification. Our accompanying numerical calculations are based on a Monte Carlo integration procedure which enables us to avoid approximations to the Kane-model overlap matrix elements and to Fermi and phase-space factors.
ACCESSION #
9823520

 

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