Journal
EUROPEAN PHYSICAL JOURNAL B
Volume 72, Issue 3, Pages 323-359Publisher
SPRINGER
DOI: 10.1140/epjb/e2009-00378-9
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Funding
- Spanish Goverment [TEC2008-06069]
- Junta de Castilla y Leon [VA011A09]
- Spanish Goverment [TEC2008-06069]
- Junta de Castilla y Leon [VA011A09]
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Front-end processing mostly deals with technologies associated to junction formation in semiconductor devices. Ion implantation and thermal anneal models are key to predict active dopant placement and activation. We review the main models involved in process simulation, including ion implantation, evolution of point and extended defects, amorphization and regrowth mechanisms, and dopant-defect interactions. Hierarchical simulation schemes, going from fundamental calculations to simplified models, are emphasized in this Colloquium. Although continuum modeling is the mainstream in the semiconductor industry, atomistic techniques are starting to play an important role in process simulation for devices with nanometer size features. We illustrate in some examples the use of atomistic modeling techniques to gain insight and provide clues for process optimization.
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