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|Title:||Processamento e caracterização de cerâmica Pb(Mg 1/3 Nb 2/3)O3|
|Other Titles:||Processing and characterization of Pb(Mg 1/3 Nb 2/3)O3 ceramic|
|Author(s):||Pozzi Júnior, Neson|
Martel, Guillermo G.
De Souza, Dulcina M.
Aegerter, Michel A.
|Year of Publication:||1988|
|OPUS Source:||Cerâmica. - 34. 1988, 226, S. 168-171|
|SWD key words:||Stromkreis|
|DDC notations:||500 Science|
|Publikation type:||Journal Article|
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 to this record:||urn:nbn:de:bsz:291-scidok-22794|
|Date of registration:||13-Aug-2009|
|Faculty:||SE - Sonstige Einrichtungen|
|Department:||SE - INM Leibniz-Institut für Neue Materialien|
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