Document Detail


PM IRRAS investigation of thin silica films deposited on gold. Part 1. Theory and proof of concept.
MedLine Citation:
PMID:  17661496     Owner:  NLM     Status:  PubMed-not-MEDLINE    
Abstract/OtherAbstract:
Polarization modulation infrared reflection absorption spectroscopy (PM IRRAS) was successfully used for the first time to characterize an optically transparent thin oxide film. SiO2 layers of 7 nm thickness were synthesized by plasma enhanced chemical vapor deposition (PECVD) on 200 nm thick gold covered glass slides. Despite the fact that silica is transparent and absorptive to IR radiation when deposited in the form of thin films on a gold surface, it preserves the high metallic reflectivity for the IR light. At grazing angles of incidence of the IR beam, the enhancement of the normal component of the electric field at the interface is comparable to that of Au alone. In addition, the analysis of the structure of a 1,2-dimyristoyl-sn-glycero-3-phosphocholine (DMPC) lipid monolayer deposited using the Langmuir-Blodgett technique is demonstrated.
Authors:
Izabella Zawisza; Gunther Wittstock; Rabah Boukherroub; Sabine Szunerits
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Publication Detail:
Type:  Journal Article     Date:  2007-07-28
Journal Detail:
Title:  Langmuir : the ACS journal of surfaces and colloids     Volume:  23     ISSN:  0743-7463     ISO Abbreviation:  Langmuir     Publication Date:  2007 Aug 
Date Detail:
Created Date:  2007-08-21     Completed Date:  2007-10-02     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9882736     Medline TA:  Langmuir     Country:  United States    
Other Details:
Languages:  eng     Pagination:  9303-9     Citation Subset:  -    
Affiliation:
Center of Interface Science, Department of Pure and Applied Chemistry and Institute of Chemistry and Biology of the Marine Environment, Carl on Ossietzky University of Oldenburg, Oldenburg, Germany. izabella.zawisza@uni-oldenburg.de
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