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Processing Of PbTi03 And Pb(ZrxTi1−x)03 Thin Films By Novel Single-Solid-Source Metalorganic Chemical Vapor Deposition

Published online by Cambridge University Press:  15 February 2011

Ping Lu ,
Hang Li ,
Shan Sun  and
Brace Tuttle
Ping Lu
Affiliation:
Department of Materials Science and Engineering, New Mexico Institute of Mining and Technology, Socorro, NM 87801
Hang Li
Affiliation:
Department of Materials Science and Engineering, New Mexico Institute of Mining and Technology, Socorro, NM 87801
Shan Sun
Affiliation:
Department of Materials Science and Engineering, New Mexico Institute of Mining and Technology, Socorro, NM 87801
Brace Tuttle
Affiliation:
Sandia National Laboratory, Albuquerque, NM 87109
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Abstract

Ferroelectric PbTiO3(FT) and Pb(ZrxTi1−x)03 (PZT) thin films have been deposited on (100) MgO and (111) Pt/SiO2/(100)Si substrates by using a novel single-solid-source metalorganic chemical vapor deposition (MOCVD) technique. The new technique uses a powder delivery system to deliver the mixed precursor powders directly into a hot vaporizer from room temperature, therefore, avoiding any problems associated with polymerization or decomposition of the precursors before evaporation. The technique simplifies MOCVD processing significantly and can improve process reliability and reproducibility. The deposited FT and PZT films have a perovskite structure and are highly oriented with respect to the substrate. With improvement of process control, systematic studies of film evolution under various growth conditions have been carried out. Effects of substrate, substrate temperature, system vacuum, and precursor ratios in the mixture on film microstructure and properties will be presented in this paper.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 474: Symposium L – Epitaxial Oxide Thin Films III , 1997 , 37
Copyright
Copyright © Materials Research Society 1997

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References

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