Oriented nano-structured Pb(Fe 0.5Nb 0.5)O 3 thin films on SrTiO 3(100) substrates by a sol–gel technique

Pb(Fe 0.5Nb 0.5)O 3 (PFN) thin films having a pure perovskite phase were fabricated by a sol–gel technique with post-annealing. The crystallised films were strongly oriented on the SrTiO 3(100) substrate and showed a nano-structured morphology. X-ray diffraction analysis and TEM observations were pe...

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Bibliographic Details
Published inMaterials letters Vol. 38; no. 4; pp. 239 - 244
Main Authors Liu, Q., Yi, G.H., Barber, D.J.
Format Journal Article
LanguageEnglish
Published Elsevier B.V 1999
Subjects
Dielectric properties
Lead iron niobate thin film
Nano-structure
Oriented
Pb(Fe 0.5Nb 0.5)O 3
Sol–gel process
SrTiO 3 substrate
Lead iron niobate thin film
SrTiO 3 substrate
81.05.Ys
Sol–gel process
Pb(Fe 0.5Nb 0.5)O 3
81.20.Fw
Dielectric properties
Nano-structure
Oriented
68.55.Jk
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Summary:Pb(Fe 0.5Nb 0.5)O 3 (PFN) thin films having a pure perovskite phase were fabricated by a sol–gel technique with post-annealing. The crystallised films were strongly oriented on the SrTiO 3(100) substrate and showed a nano-structured morphology. X-ray diffraction analysis and TEM observations were performed to correlate the preferential orientation with the film structure on the SrTiO 3(100) substrate. XPS was used to analyse the composition of the films. The dielectric constants and loss factors were measured under an applied field from 0.1 to 1000 kHz.
ISSN:0167-577X
1873-4979
DOI:10.1016/S0167-577X(98)00165-7