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Published in:
2007 | OriginalPaper | Chapter
Atomistic Modeling of Defect Diffusion in SiGe
Authors : P. Castrillo, R. Pinacho, J. E. Rubio, L. M. Vega, M. Jaraiz
Published in: Simulation of Semiconductor Processes and Devices 2007
Publisher: Springer Vienna
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We have developed an atomistic model for dopant diffusion in SiGe structures and we have implemented it in the kinetic Monte Carlo process simulator DADOS. The model takes into account (i) composition and stress effects on the diffusivity of interstitials, vacancies and dopants, (ii) SiGe interdiffusion, (iii) dopant segregation and (iv) the modifications of band-gap and charge levels. The model has been tested for B and Sb providing a very good agreement with available experimental data.