Japanese Journal of Applied Physics · 1996 · 49 citations · 2 references
Natural SciencesMaterials EngineeringMaterials ScienceCeramic MaterialsCeramicsMaterials CharacterizationDielectric CeramicsDielectricsElectrical Properties Of CeramicsMicrowave MaterialsPowder ProcessingSinteringCeramic DielectricsCeramic PowdersDielectric StrengthMicrowave Dielectric CeramicsMicrowave Dielectric PropertiesMicrowave SinteringOxide DielectricsSintering Behavior
Some dielectric properties of LaZn 0.5 Ti 0.5 O 3 (LZT) ceramics prepared by means of the sol–gel method have been investigated. The calcination of powders derived from amorphous gel at 600° C results in the formation of a pure orthorhombic phase of LZT. The high sintering ability of the prepared powders enables the fabrication of dielectric ceramics at low sintering temperatures (1350–1400° C). At higher temperatures, the sintering process is followed by a decomposition reaction with the formation of La 2 TiO 5 and ZnO vapor. A dielectric material having ε r ≃30 and Q · f 0 ≃60000 GHz is obtained at 1350° C.
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