Sol-gel fabrication of samarium and manganese modified lead titanate thin films and ceramics

Samarium and manganese modified lead titanate thin films were deposited on Pt coated Si (100) substrates by spin coating using a precursor solution prepared from Pb, Sm and Mn acetates and Ti-isopropoxide with acetic acid and n-propanol as solvents. The gel powder on heat treatment showed (101) as t...

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Bibliographic Details
Published in:Materials letters 1997-08, Vol.32 (2-3), p.97-101
Main Authors: Paik, Dong Soo, Prasadarao, A.V., Komarneni, S.
Format: Article
Language:English
Subjects:
(Pb, Sm)(Ti, Mn)3
77.84.Dy
77.84.s
81.15.Lm
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Cross-disciplinary physics: materials science
rheology
Dielectric thin films
Dielectrics, piezoelectrics, and ferroelectrics and their properties
Electrical properties
Exact sciences and technology
Liquid phase epitaxy
deposition from liquid phases (melts, solutions, and surface layers on liquids)
Materials science
Methods of deposition of films and coatings
film growth and epitaxy
Physics
Si (Pt) substrates
Sol-gel processing
Spin coating
Thin films and ceramics
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Summary:Samarium and manganese modified lead titanate thin films were deposited on Pt coated Si (100) substrates by spin coating using a precursor solution prepared from Pb, Sm and Mn acetates and Ti-isopropoxide with acetic acid and n-propanol as solvents. The gel powder on heat treatment showed (101) as the highest intensity peak while the thin films deposited on Pt coated silicon substrates showed a preferential orientation of (100). These films after being annealed at 900 °C for 1 h showed good remanent polarization and coercive fields.
ISSN:0167-577X
1873-4979
DOI:10.1016/S0167-577X(97)00019-0