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Enhanced boron diffusion in excimer laser preannealed Si

We have investigated boron diffusion during rapid thermal annealing in Si implanted with boron using an energy of 1 keV and a dose of 1 × 10 16 cm − 2 . Two types of samples have been studied: As-implanted and pretreated with excimer laser annealing. For both types an enhanced diffusion of boron has...

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Published in:Applied physics letters 2005-04, Vol.86 (15), p.151902-151902-3
Main Authors: Monakhov, E. V., Svensson, B. G., Linnarsson, M. K., La Magna, A., Spinella, C., Bongiorno, C., Privitera, V., Fortunato, G., Mariucci, L.
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cited_by cdi_FETCH-LOGICAL-c415t-45158252583d5eceb427cd6f57571c04e3709a6b590ca64e5d81e634139db0593
cites cdi_FETCH-LOGICAL-c415t-45158252583d5eceb427cd6f57571c04e3709a6b590ca64e5d81e634139db0593
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container_title Applied physics letters
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description We have investigated boron diffusion during rapid thermal annealing in Si implanted with boron using an energy of 1 keV and a dose of 1 × 10 16 cm − 2 . Two types of samples have been studied: As-implanted and pretreated with excimer laser annealing. For both types an enhanced diffusion of boron has been observed with an enhancement by a factor of 3-5 over the "standard" diffusion. It is suggested that the high concentration of implanted boron is a dominant factor for the diffusion enhancement as compared to the effect of implantation-induced damage. The data indicate that the proximity of the surface can also affect the boron diffusion enhancement.
doi_str_mv 10.1063/1.1899765
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source American Institute of Physics (AIP) Publications; American Institute of Physics:Jisc Collections:Transitional Journals Agreement 2021-23 (Reading list)
subjects ANNEALING
BORON
DIFFUSION
dopant diffusion
energy implanted boron
EXCIMER LASERS
IMPURITIES
injection
ION IMPLANTATION
KEV RANGE 01-10
MATERIALS SCIENCE
redistribution
SEMICONDUCTOR MATERIALS
SILICON
SPATIAL DISTRIBUTION
SURFACES
temperature
title Enhanced boron diffusion in excimer laser preannealed Si
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