Journal
PHYSICA STATUS SOLIDI A-APPLICATIONS AND MATERIALS SCIENCE
Volume 205, Issue 4, Pages 715-719Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/pssa.200777754
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Accurate dielectric function values are essential for spectroscopic ellipsometry data analysis by traditional optical model-based analysis techniques. In this paper, we show that B-spline basis functions offer many advantages for parameterizing dielectric functions. A Kramers-Kronig consistent B-spline formulation, based on the standard B-spline recursion relation, is derived. B-spline representations of typical semiconductor and metal dielectric functions are also presented. [GRAPHICS] Kramers-Kromg consistent B-spline basis functions. (C) 2008 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
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