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Journal of Materials Science
Erschienen in: Journal of Materials Science 21/2015

01.11.2015 | Original Paper

Effect of Mg on the dielectric and electrical properties of BaTiO3-based ceramics

verfasst von: Huiling Gong, Xiaohui Wang, Qiancheng Zhao, Longtu Li

Erschienen in: Journal of Materials Science | Ausgabe 21/2015

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Abstract

BaTiO3-based dielectric ceramics with grain sizes of 100–120 nm were prepared by the chemical coating approach and are promising for the application of ultrathin multilayer ceramic capacitors. The doping effects of Mg on the microstructures and dielectric properties of the BaTiO3-based ceramics were investigated. The addition of Mg was beneficial for inhibiting the grain growth and improving sintering characteristics and improving the dielectric properties and reliability of the nano-BaTiO3-based ceramics. The highly accelerated lifetime test and thermally stimulated depolarization current were employed to study the resistance degradation and conduction mechanism of the Mg-doped BaTiO3 ceramics. It was determined that the reliability characteristics greatly depended on the Mg content. The addition of 2 mol% Mg was suitable for improving the reliability of the nano-BaTiO3-based ceramics, which is an important parameter for the application of multilayer ceramic capacitors. However, further increasing the addition amount of Mg decreased the performance of the BaTiO3-based ceramics.
Vorheriger Artikel Retardation of plastic instability via damage-enabled microstrain delocalization
Nächster Artikel Inferring grain boundary structure–property relations from effective property measurements

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Metadaten
Titel
Effect of Mg on the dielectric and electrical properties of BaTiO3-based ceramics
verfasst von
Huiling Gong
Xiaohui Wang
Qiancheng Zhao
Longtu Li
Publikationsdatum
01.11.2015
Verlag
Springer US
Erschienen in
Journal of Materials Science / Ausgabe 21/2015
Print ISSN: 0022-2461
Elektronische ISSN: 1573-4803
DOI
https://doi.org/10.1007/s10853-015-9228-1

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