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Titel: Processamento e caracterização de cerâmica Pb(Mg 1/3 Nb 2/3)O3
Sonstige Titel: Processing and characterization of Pb(Mg 1/3 Nb 2/3)O3 ceramic
Verfasser: Pozzi Júnior, Neson
Martel, Guillermo G.
De Souza, Dulcina M.
Aegerter, Michel A.
Sprache: Sonstige
Erscheinungsjahr: 1988
Quelle: Cerâmica. - 34. 1988, 226, S. 168-171
SWD-Schlagwörter: Stromkreis
Kondensator
Sintern
Dielektrikum
DDC-Sachgruppe: 500 Naturwissenschaften
Dokumentart : Journalartikel
Kurzfassung: -
In order to follow the minimization of integrated circuits, the capacitor industry has developd multilayer ceramic capacitors. BaTiO3 and others titanates were the first materials used for this purpose; however due to their high sintering temperature (>1300°C) it was necessary to use internal electrodes of costly noble metals (Pt and Pd). As an alternative, new ceramic composition such as PMN Pb(Mg 1/3 Nb 2/3)O3 having a high dielectric response and low sintering temperature (< 1000°C) has been extensively studied. The preparation is however difficult because of the formation of a stable parasitic phase which degrades its dielectric properties. Pure PMN powder and ceramic have been sintered using a new process of preparation: their physical characteristics are similar to those obtained with other sophisticated methods of preparation and of longer duration.
Link zu diesem Datensatz: urn:nbn:de:bsz:291-scidok-22794
hdl:20.500.11880/24194
http://dx.doi.org/10.22028/D291-24138
SciDok-Publikation: 13-Aug-2009
Fakultät: Sonstige Einrichtungen
Fachrichtung: SE - INM Leibniz-Institut für Neue Materialien
Fakultät / Institution:INM
SE - Sonstige Einrichtungen

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