Synthesis of Hierarchy-Structural BaTiO3 Powder Used for X8R Multilayer Ceramic Capacitors by Two-Step Soft Chemical Method

Jing Wang; Gui Juan Rong; Yu Ding; Ting Wei Wang; Hao Yao

doi:10.4028/www.scientific.net/AMR.906.3

Paper Titles

Synthesis of Hierarchy-Structural BaTiO₃ Powder Used for X8R Multilayer Ceramic Capacitors by Two-Step Soft Chemical Method
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Dielectric Properties and Microstructure of BaO-Nd₂O₃-Bi₂O₃-TiO₂ Microwave Ceramics with Li₂O-B₂O₃-SiO₂
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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 906Synthesis of Hierarchy-Structural BaTiO3 Powder...

Synthesis of Hierarchy-Structural BaTiO₃ Powder Used for X8R Multilayer Ceramic Capacitors by Two-Step Soft Chemical Method

Abstract:

Ba_0.985Bi_0.01TiO₃-BaTi_1-xZr_xO₃ powders have been synthesized by two-step soft chemical method to satisfy EIA-X8R specification. Microstructural evaluation conducted by X-ray diffraction and scanning electron microscopy confirms the hierarchical structure of the ceramic grain. The shape of the ε-T curves near the dielectric peak becomes broad with the increase of Zr content. The permittivity of Ba_0.985Bi_0.01TiO₃-BaTi_0.9Zr_0.1O₃ ceramic is ~3000, C/C20 °C is-14.67%, 6.23% and-14.50% at-55°C, 130°C and 160°C, respectively, and the dielectric loss is less than 0.020. This work shows that the two-step soft chemical method is a promising approach for high performance temperature-stable capacitor materials.

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Advanced Materials Research (Volume 906)

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3-7

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https://doi.org/10.4028/www.scientific.net/AMR.906.3

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Online since:

April 2014

Authors:

Jing Wang*, Gui Juan Rong, Yu Ding, Ting Wei Wang, Hao Yao

Keywords:

Barium Titanate (BT), Ceramic Matrix Composites, Curie Temperature, Dielectric Materials

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