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Proceedings Paper

Surface structure of CdS layer at the interface of CdS-SnO2 junction and the diagram of surface states
Author(s): I. Caraman; I. Lazar; M. Caraman; D. Rusu
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Paper Abstract

The SnO2-CdS type structures with SnO2 film deposited by thermal pirolize in SnCl4-etanol solution were obtained. The CdS film with submicron thickness was obtained in cvasiclosed volume. The transversal section of the SnO2-CdS junction as well as the outer surface of the CdS film was analyzed using the electronic microscope. The density of the crystallization germs in the CdS film was about 1013cm-2. The luminescence spectrum of CdS has been examined. The existence of exciton line (n=1) in reflection and emission spectrum serves as a criteria of crystalline perfection of surface film.

Paper Details

Date Published: 7 January 2009
PDF: 6 pages
Proc. SPIE 7297, Advanced Topics in Optoelectronics, Microelectronics, and Nanotechnologies IV, 72971F (7 January 2009); doi: 10.1117/12.823662
Show Author Affiliations
I. Caraman, Univ. din Bacau (Romania)
I. Lazar, Univ. din Bacau (Romania)
M. Caraman, Univ. din Bacau (Romania)
D. Rusu, Univ. din Bacau (Romania)


Published in SPIE Proceedings Vol. 7297:
Advanced Topics in Optoelectronics, Microelectronics, and Nanotechnologies IV
Paul Schiopu; Cornel Panait; George Caruntu; Adrian Manea, Editor(s)

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