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Distribution of bismuth atoms in epitaxial GaAsBi

The distribution of Bi atoms in epitaxial GaAs ( 1 − x ) Bi x is analyzed through aberration-corrected Z-contrast images. The relation between the atomic number and the intensity of the images allows quantifying the distribution of Bi atoms in this material. A bidimensional map of Bi atoms is extrac...

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Published in:Applied physics letters 2011-03, Vol.98 (10), p.101902-101902-3
Main Authors: Sales, D. L., Guerrero, E., Rodrigo, J. F., Galindo, P. L., Yáñez, A., Shafi, M., Khatab, A., Mari, R. H., Henini, M., Novikov, S., Chisholm, M. F., Molina, S. I.
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cited_by cdi_FETCH-LOGICAL-c311t-5e2c4cd7a3e65f22e4c652ee02175036f47f477cb34bad38363485837f336b413
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container_end_page 101902-3
container_issue 10
container_start_page 101902
container_title Applied physics letters
container_volume 98
creator Sales, D. L.
Guerrero, E.
Rodrigo, J. F.
Galindo, P. L.
Yáñez, A.
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Khatab, A.
Mari, R. H.
Henini, M.
Novikov, S.
Chisholm, M. F.
Molina, S. I.
description The distribution of Bi atoms in epitaxial GaAs ( 1 − x ) Bi x is analyzed through aberration-corrected Z-contrast images. The relation between the atomic number and the intensity of the images allows quantifying the distribution of Bi atoms in this material. A bidimensional map of Bi atoms is extracted showing areas where nanoclustering is possible and evidencing the location of Bi at As-substitutional positions in the lattice. The distribution of Bi atoms differs from a random spatial pattern of Bi atoms in the material.
doi_str_mv 10.1063/1.3562376
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source American Institute of Physics:Jisc Collections:Transitional Journals Agreement 2021-23 (Reading list); American Institute of Physics
subjects ATOMIC NUMBER
ATOMS
BISMUTH
DISTRIBUTION
EPITAXY
GALLIUM ARSENIDES
LAYERS
MATERIALS SCIENCE
SEMICONDUCTOR MATERIALS
title Distribution of bismuth atoms in epitaxial GaAsBi
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