Title: Experimental evidence of tetrahedral interstitial and bond-centered Er in Ge
Authors: Decoster, Stefan ×
de Vries, Bernard Lammert
Wahl, Ulrich
Correia, J. G
Vantomme, André #
Issue Date: Oct-2008
Publisher: Amer inst physics
Series Title: Applied Physics Letters vol:93 issue:14
Article number: 141907
Abstract: We report on an emission channeling study of the lattice site location of implanted Er in Ge together with its thermal stability. We found direct experimental evidence of Er atoms located on the tetrahedral (T) interstitial site and on the bond-centered (BC) site, with a maximum total occupancy after annealing at 400 degrees C. Whereas Er is expected to occupy the T site in a diamond crystal structure, the observation of BC Er in Ge is more surprising and believed to be related to the Er-vacancy defect in the split-vacancy complex configuration. (C) 2008 American Institute of Physics.
ISSN: 0003-6951
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Nuclear and Radiation Physics Section
× corresponding author
# (joint) last author

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