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Application of High Energy Ion Beam on the Control of Boron Diffusion
Published online by Cambridge University Press: 01 February 2011
Abstract
Anomalous diffusion of boron during annealing is a detriment on the fabrication of ultrashallow junction required by the next generation Si devices. This has driven the need to develop new doping methods. In the point defect engineering approach, high-energy ion bombardments inject vacancies near the surface region and create excessive interstitials near the end of projected range of incident ions. Such manipulation of point defects can retard boron diffusion and enhance activation of boron. We will review the current understanding of boron diffusion and our recent activities in point defect engineering.
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- Copyright © Materials Research Society 2004