Publication

Influence of processing parameters on characteristics of sol-gel derived PLZT thin films

Nava Setter
1998
Journal Articles

Abstract

PLZT x/65/35 (x = 4, 8, 10) thin films were prepared by the acetic-acid based chemical solution deposition processing from lead tetraacetate, lanthanum nitrate and zirconium and titanium propoxides. Introducing top layer of PLZT with large PbO excess can prevent surface pyrochlore phase formation. It is further shown that although lead is depleted from PLZT because of the reaction with the substrate, perovskite phase is retained as a consequence of a large lead-oxide content throughout the film.

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https://infoscience.epfl.ch/entities/publication/0167d81b-d11a-4c96-ae25-886190171634

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Nava Setter
1998
Journal Articles

Abstract

Official source

https://infoscience.epfl.ch/entities/publication/0167d81b-d11a-4c96-ae25-886190171634

About this result

Related concepts (17)

Lead

Lead is a chemical element with the symbol Pb (from the Latin plumbum) and atomic number 82. It is a heavy metal that is denser than most common materials. Lead is soft and malleable, and also has a relatively low melting point. When freshly cut, lead is a shiny gray with a hint of blue. It tarnishes to a dull gray color when exposed to air. Lead has the highest atomic number of any stable element and three of its isotopes are endpoints of major nuclear decay chains of heavier elements.

Lead glass

Lead glass, commonly called crystal, is a variety of glass in which lead replaces the calcium content of a typical potash glass. Lead glass contains typically 18–40% (by mass) lead(II) oxide (PbO), while modern lead crystal, historically also known as flint glass due to the original silica source, contains a minimum of 24% PbO. Lead glass is often desirable for a variety of uses due to its clarity. In marketing terms it is often called crystal glass.

Organolead chemistry

Organolead chemistry is the scientific study of the synthesis and properties of organolead compounds, which are organometallic compounds containing a chemical bond between carbon and lead. The first organolead compound was hexaethyldilead (Pb2(C2H5)6), first synthesized in 1858. Sharing the same group with carbon, lead is tetravalent. Going down the carbon group the C–X (X = C, Si, Ge, Sn, Pb) bond becomes weaker and the bond length larger. The C–Pb bond in tetramethyllead is 222 pm long with a dissociation energy of 49 kcal/mol (204 kJ/mol).

Related publications (8)

Influence of processing parameters on characteristics of sol-gel derived PLZT thin films

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