Sn-background-induced diffusion enhancement of Sb in Si

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Fage-Pedersen, JacobInstitute of Physics and Astronomy, University of Aarhus, DK-8000 Aarhus C, Denmark (författare)

QC 20210416
The diffusion of Sb in Si has been studied as a function of Sn-background concentration, and enhanced Sb diffusion is observed for backgrounds higher than CSn1 = 5 Ã— 1019 cm-3. This concentration for the onset of enhanced diffusion is significantly lower than in other reports of high-concentration vacancy-mediated diffusion in Si. These reports, however, have up to now been concerned with donor impurities, whereas Sn is an electrically neutral impurity. Some Sn precipitation occurred, and the influence upon the diffusion is estimated from experiment to be small. A number of proposed models of high-concentration diffusion are discussed on the basis of the data.

Larsen, Arne N.Institute of Physics and Astronomy, University of Aarhus, DK-8000 Aarhus C, Denmark (författare)
Gaiduk, PeterInstitute of Physics and Astronomy, University of Aarhus, DK-8000 Aarhus C, Denmark (författare)
Hansen, John L.Institute of Physics and Astronomy, University of Aarhus, DK-8000 Aarhus C, Denmark (författare)
Linnarsson, M.KTH,Skolan för informations- och kommunikationsteknik (ICT)(Swepub:kth)u1x6y4ru (författare)
Institute of Physics and Astronomy, University of Aarhus, DK-8000 Aarhus C, DenmarkSkolan för informations- och kommunikationsteknik (ICT) (creator_code:org_t)

Av författaren/redakt...: Fage-Pedersen, J ...; Larsen, Arne N.; Gaiduk, Peter; Hansen, John L.; Linnarsson, M.

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