Sol-gel preparation and characterization of perovskite lanthanum lithium titanate

Sol-gel preparation and characterization of perovskite lanthanum lithium titanate

Lanthanum lithium titanate, belonging to the solid solution La0.66Li0.33TiO3, was prepared by sol–gel method from LiNO3, La(NO3)3·6H2O and Ti(OC4H9)4 in ideal cation stoichiometry for La0.66Li0.33TiO3. The synthesized product was characterized by X-ray powder diffractometry (XRD) and thermal analyse...

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Veröffentlicht in:Journal of materials science 2007-05, Vol.42 (10), p.3373-3377
Hauptverfasser: CARAZEANU POPOVICI, Ionela, CHIRILA, Elisabeta, POPESCU, Viorica, CIUPINA, Victor, PRODAN, Gabriel
Format: Artikel
Sprache:eng
Schlagworte:
Applied sciences
Building materials. Ceramics. Glasses
Cations
Ceramic industries
Chemical industry and chemicals
Differential thermal analysis
Electrotechnical and electronic ceramics
Exact sciences and technology
Lanthanum
Lithium
Materials science
Morphology
Nanocrystals
Nanostructure
Perovskites
Sol gel process
Sol-gel processes
Solid solutions
Stoichiometry
Synthesis
Technical ceramics
Titanates
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Zusammenfassung:Lanthanum lithium titanate, belonging to the solid solution La0.66Li0.33TiO3, was prepared by sol–gel method from LiNO3, La(NO3)3·6H2O and Ti(OC4H9)4 in ideal cation stoichiometry for La0.66Li0.33TiO3. The synthesized product was characterized by X-ray powder diffractometry (XRD) and thermal analyses (DTA-TG). Electron microscopy investigations (SEM and TEM) was used to evaluate the morphology of synthesized La0.66Li0.33TiO3.The bulk quantities of nano-sized particles of layered La0.66Li0.33TiO3 have been obtained at 1,000°C using the modified sol–gel method. The mean diameter of La0.66Li0.33TiO3 nano-crystals was about 123 nm.
ISSN:0022-2461
1573-4803
DOI:10.1007/s10853-006-0683-6