Spectroellipsometric investigation of optical properties of SiO2 grown by wet thermal oxidation

Autor: Sigurd Schrader, Paolo Imperia, M Gartner, Octavian Buiu, I. Cernica, C Flueraru, R Radoi
Rok vydání: 2001
Předmět:
Zdroj: Surface Science. :448-452
ISSN: 0039-6028
DOI: 10.1016/s0039-6028(00)01037-2
Popis: Spectroellipsometry represents a powerful technique in non-destructive and contactless material characterization. In this paper, using the above mentioned spectroellipsometric technique, we measure the refractive index profile of wet thermal SiO2 films on single-crystal silicon substrate under various thermal oxidation conditions. The optimum conditions for an accurate evaluation of the thin films parameters – refractive index and thickness – are determined. The effect of different oxidation conditions upon these parameters are further investigated.
Databáze: OpenAIRE