UM
Microstructures and dielectric properties of CaCu 3Ti 4O 12 ceramics via combustion method
Yuan W.X.; Li Z.J.
2012
Source PublicationEPJ Applied Physics
ISSN12860042 12860050
Volume57Issue:1
AbstractCaCu Ti O (CCTO) powder was synthesized by the combustion method. The effect of sintering temperature was studied on dielectric properties of the prepared ceramic samples. They have the dielectric constant of ^∼31 000 and 80 000 for the grain size of 0.3 and 30-100 μm. It is unusual for CCTO with a grain size of 0.3 μm to have a dielectric constant of ^∼31 000. Their giant dielectric constant could be explained by a two-step internal-barrier-layer-capacitor model, associated with grain boundaries and domain boundaries. The existence of domain boundaries helped to explain the contradiction of the dielectric mechanisms between polycrystalline and single-crystal CCTO. © 2011 EDP Sciences.
DOI10.1051/epjap/2011110226
URLView the original
Language英語
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Cited Times [WOS]:9   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionUniversity of Macau
AffiliationHong Kong University of Science and Technology
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GB/T 7714
Yuan W.X.,Li Z.J.. Microstructures and dielectric properties of CaCu 3Ti 4O 12 ceramics via combustion method[J]. EPJ Applied Physics,2012,57(1).
APA Yuan W.X.,&Li Z.J..(2012).Microstructures and dielectric properties of CaCu 3Ti 4O 12 ceramics via combustion method.EPJ Applied Physics,57(1).
MLA Yuan W.X.,et al."Microstructures and dielectric properties of CaCu 3Ti 4O 12 ceramics via combustion method".EPJ Applied Physics 57.1(2012).
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