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Synthesis and characterization of Ca1-X SrxCu3Ti4O12 thin films for dielectric applications

Published online by Cambridge University Press:  01 February 2011

R. Guzman ,
M.S. Tomar  and
R.E. Melgarejo
R. Guzman
Affiliation:
Physics Department, University of Puerto Rico, Mayagüez, PR 00681–9016, and R.S. Katiyar, Physics Department, University of Puerto Rico, San Juan PR 00931–3343
M.S. Tomar
Affiliation:
Physics Department, University of Puerto Rico, Mayagüez, PR 00681–9016, and R.S. Katiyar, Physics Department, University of Puerto Rico, San Juan PR 00931–3343
R.E. Melgarejo
Affiliation:
Physics Department, University of Puerto Rico, Mayagüez, PR 00681–9016, and R.S. Katiyar, Physics Department, University of Puerto Rico, San Juan PR 00931–3343
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Abstract

There is a great deal of interest in CaCu3Ti4O12 system for dielectric applications. We have studied Ca1-xSrxCu3Ti4O12 system for different compositions. The material is synthesized by sol-gel chemical solution route and thin films were deposited by spin coating. Thin films were investigated by x-ray diffraction and Raman spectroscopy for structural properties. These results indicate a solid solution for the compositions x = 0.00 to 0.80. The SEM micrographs shows the uniform films at 800° C, but the dielectric response of Ca1-xSrxCu3Ti4O12 (x = 0.00) shows the dielectric constant value below 200.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 785: Symposium D – Materials and Devices for Smart Systems , 2003 , D4.10
Copyright
Copyright © Materials Research Society 2004

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References

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