Application of the Holomorphic Tauc-Lorentz-Urbach Function to Extract the Optical Constants of Amorphous Semiconductor Thin Films

The Tauc–Lorentz–Urbach (TLU) dispersion model allows us to build a dielectric function from only a few parameters. However, this dielectric function is non-analytic and presents some mathematical drawbacks. As a consequence of this issue, the model becomes inaccurate. In the present work, we will a...

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Veröffentlicht in:	Coatings (Basel) 2022-10, Vol.12 (10), p.1549
Hauptverfasser:	Ballester, Manuel, García, Marcos, Márquez, Almudena P., Blanco, Eduardo, Fernández, Susana M., Minkov, Dorian, Katsaggelos, Aggelos K., Cossairt, Oliver, Willomitzer, Florian, Márquez, Emilio
Format:	Artikel
Sprache:	eng
Schlagworte:	Constants Dielectric films Dielectrics Dispersion Energy gap Glass substrates Mathematical functions Morphology Optical properties Photons Process controls Semiconductors Silicon films Spectrum analysis Thin films
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