NDLI: Controlling Factors for the Conversion of Trifluoroacetate Sols into Thin Metal Fluoride Coatings

Content Provider	Springer Nature Link
Author	Fujihara, Shibu Tada, Munehiro Kimura, Toshio
Copyright Year	2000
Abstract	Metal fluoride films were prepared from trifluoroacetate sols by a spin-coating method. Effects of preparation conditions on the deposition of fluoride films have been examined in order to control the thickness and the refractive index of the films. It was suggested that the fluoride was formed by the thermal decomposition of the trifluoroacetate sols generating gaseous phases such as (CF$_{3}$CO)$_{2}$O, CO and CO$_{2}$. This reaction mechanism seemed to largely effect the deposition of the fluoride films in terms of the formation of pores. Characteristics of the fluoride films could be changed by varying the heat treatment. The refractive index of the MgF$_{2}$ films decreased with increasing heating temperature, which might result from the increased porosity of the films. Drying the film before the heat treatments was effective in the control of the refractive index.
Starting Page	311
Ending Page	314
Page Count	4
File Format	PDF
ISSN	09280707
Journal	Journal of Sol-Gel Science and Technology
Volume Number	19
Issue Number	1-3
e-ISSN	15734846
Language	English
Publisher	Kluwer Academic Publishers
Publisher Date	2000-01-01
Publisher Place	Boston
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Inorganic Chemistry Optical and Electronic Materials Ceramics, Glass, Composites, Natural Methods
Content Type	Text
Resource Type	Article
Subject	Ceramics and Composites Chemistry Materials Chemistry Biomaterials Condensed Matter Physics Electronic, Optical and Magnetic Materials

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