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dc.contributor.authorLEE, YSen_US
dc.contributor.authorTSENG, TYen_US
dc.date.accessioned2014-12-08T15:04:52Z-
dc.date.available2014-12-08T15:04:52Z-
dc.date.issued1992-06-01en_US
dc.identifier.issn0002-7820en_US
dc.identifier.urihttp://dx.doi.org/10.1111/j.1151-2916.1992.tb04236.xen_US
dc.identifier.urihttp://hdl.handle.net/11536/3391-
dc.description.abstractCeramic varistors based on ZnO with lead zinc borosilicate glass instead of Bi2O3 Were prepared. The effect of sintering conditions on the electrical properties was studied by sintering samples at various temperatures and cooling them at different rates. The sample sintered at 1250-degrees-C for 1 h, then furnace cooled, possessed the best electrical properties, as characterized by the highest nonlinear coefficient, lowest leakage current, and lowest degradation. The microstructure and crystal structure of the glass phase of ZnO-glass varistors were examined by means of scanning electron microscopy, transmission electron microscopy, and powder X-ray diffractometry. The glass phase was originally amorphous, but crystallized as an intergranular layer in the sintered and furnace-cooled samples. This crystallized phase was a zinc borate phase (5ZnO.2B2O3), which was identified by X-ray diffractometry, transmission electron microscopy, and Auger electron spectroscopy. The zinc borate phase at the grain boundary of ZnO-glass samples enhanced the nonohmic characteristics of the ceramic varistors.en_US
dc.language.isoen_USen_US
dc.subjectVARISTORSen_US
dc.subjectZINC OXIDEen_US
dc.subjectGLASSen_US
dc.subjectELECTRICAL PROPERTIESen_US
dc.subjectPHASESen_US
dc.titlePHASE IDENTIFICATION AND ELECTRICAL-PROPERTIES IN ZNO-GLASS VARISTORSen_US
dc.typeArticleen_US
dc.identifier.doi10.1111/j.1151-2916.1992.tb04236.xen_US
dc.identifier.journalJOURNAL OF THE AMERICAN CERAMIC SOCIETYen_US
dc.citation.volume75en_US
dc.citation.issue6en_US
dc.citation.spage1636en_US
dc.citation.epage1640en_US
dc.contributor.department電子工程學系及電子研究所zh_TW
dc.contributor.departmentDepartment of Electronics Engineering and Institute of Electronicsen_US
dc.identifier.wosnumberWOS:A1992HZ21900050-
dc.citation.woscount104-
Appears in Collections:Articles