Fabrication and properties of perovskite Pb(Yb,Nb)03-PbTiO3 thin films through a sol-gel process

Crack-free Pb(Yb1/2Nb1/2)O3-PbTiO3 (PYN-PT) thin films have been fabricated by the chemical solution deposition. Homogeneous and stable PYN-PT precursor solutions were prepared by selecting appropriate starting metal-organic compounds and 2-methoxyethanol as a solvent. The optimization of several pr...

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Bibliographic Details
Published inJournal of alloys and compounds Vol. 408-412; pp. 543 - 546
Main Authors Sakamoto, Wataru, Masuda, Yoshiaki, Yogo, Toshinobu
Format Journal Article
LanguageEnglish
Published 01.01.2006
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Summary:Crack-free Pb(Yb1/2Nb1/2)O3-PbTiO3 (PYN-PT) thin films have been fabricated by the chemical solution deposition. Homogeneous and stable PYN-PT precursor solutions were prepared by selecting appropriate starting metal-organic compounds and 2-methoxyethanol as a solvent. The optimization of several processing conditions, such as precise control of composition, heating process and PbTiO3 seed layer, was found to be a key for the crystallization of perovskite PYN-PT films on Pt/TiOx/SiO2/Si substrates with good surface morphologies. Synthesized PYN-PT thin films exhibited a ferroelectric P-E hystresis loop and the frequency dependence of dielectric constant.
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ISSN:0925-8388
DOI:10.1016/j.jallcom.2004.12.109