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Type: 
Journal
Description: 
Ultra-shallow (below 20 nm) disorder profiles have been characterized by spectroscopic ellipsometry (SE). The implanted depth region has been divided into sublayers with dielectric functions calculated by the effective medium approximation using single-crystalline and disordered components. The damage depth profile has been parameterized using a box model, an independent multilayer model, a graded multilayer model, an error function, and Gaussian profiles. Literature values and Tauc–Lorentz (TL) parametrization as well as multi-sample and single-sample approaches have been compared to describe the dielectric function of the disordered component. The distribution of the implanted ions and/or damage have been cross-checked using medium energy ion scattering (MEIS), transmission electron microscopy and Monte Carlo simulations. We found a good agreement in the damage profiles obtained by …
Publisher: 
Elsevier
Publication date: 
28 Feb 2011
Authors: 

I Mohacsi, P Petrik, M Fried, T Lohner, JA Van Den Berg, MA Reading, Damiano Giubertoni, Mario Barozzi, A Parisini

Biblio References: 
Volume: 519 Issue: 9 Pages: 2847-2851
Origin: 
Thin solid films