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Preparation and Characterization of Sol-Gel Thin Films of KTIOPO4.

Published online by Cambridge University Press:  25 February 2011

Mark A. Harmer  and
Mark G. Roelofs
Mark A. Harmer
Affiliation:
Du Pont, Central Research and Development, Experimental Station, P.O.Box 80328, Wilmington, DE 19880–0328
Mark G. Roelofs
Affiliation:
Du Pont, Central Research and Development, Experimental Station, P.O.Box 80328, Wilmington, DE 19880–0328
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Abstract

In this paper we describe a novel route for the formation of thin films of potassium titanyl phosphate (KTiOPO4 KTP) via a sol-gel route. The ability to form films of high optical quality depends upon the precursor chemistry developed. Formation of stoichiometric films is especially challenging in three component systems and a number of precursors have been investigated. The basic chemistry, processing and resulting microstructure will be described. Transparent, dense and continuous films have been prepared with grain sizes typically of 0.3μm or less depending upon the processing conditions. Some textured growth patterns are observed although the films are essentially polycrystalline. Using the prism coupling technique the films have been found to exhibit waveguiding.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 271: Symposium N – Better Ceramics Through Chemistry V , 1992 , 389
Copyright
Copyright © Materials Research Society 1992

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References

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