Hydrothermal Growth of Nanosize Ferroelectrics

Hydrothermal growth was used to fabricate single crystal ferroelectric nanostructures. PbTiO 3 nanocrystals were synthesised in alkaline solution from mixture of TiO 2 (anatase) and Pb(NO 3 ) 2 . Nanocrystals were grown on single-crystal SrTiO 3 and LaAlO 3 substrates at different temperature rangin...

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Bibliographic Details
Published in:Ferroelectrics 2003-01, Vol.291 (1), p.19-26
Main Authors: Szafraniak, I., Alexe, M.
Format: Article
Language:English
Subjects:
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Dielectric, piezoelectric, ferroelectric and antiferroelectric materials
Dielectrics, piezoelectrics, and ferroelectrics and their properties
Exact sciences and technology
Ferroelectric Nanocrystals
Hydrothermal Synthesis
Lead Titanate
Niobates, titanates, tantalates, pzt ceramics, etc
Physics
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Summary:Hydrothermal growth was used to fabricate single crystal ferroelectric nanostructures. PbTiO 3 nanocrystals were synthesised in alkaline solution from mixture of TiO 2 (anatase) and Pb(NO 3 ) 2 . Nanocrystals were grown on single-crystal SrTiO 3 and LaAlO 3 substrates at different temperature ranging from 130 to 180C. The ferroelectric nanostructures were characterised by scanning electron microscopy, atomic force microscopy and X-ray diffraction. The ferroelectric nanocrystals show the epitaxial relationship with substrates. The dependence of the size on the reaction time together with the influence of the substrates and substrate orientations are presented.
ISSN:0015-0193
1563-5112
DOI:10.1080/00150190390222501