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    Title: Microwave dielectric properties of Ba2Ti9O20 materials prepared by reaction sintering process
    Authors: 朱立文;Chu, Li-wen;Hsiue, Ging-ho;Chiang, Yi-jen;林諭男;Lin, I-nan
    Contributors: 淡江大學物理學系
    Keywords: Ba2Ti9O20 reaction sintering process;nano-BaTiO3;microwave dielectric property
    Date: 2006
    Issue Date: 2009-12-31 10:11:49 (UTC+8)
    Publisher: Taylor & Francis
    Abstract: Ba2Ti9O20 materials were prepared by reacting nano-sized BaTiO3 powders (50 nm) with TiO2 powders (∼100 nm). The materials prepared by calcination and sintering 2-step processes possess high sintered density (> 96.5% T.D.) and exhibit marvelous microwave dielectric properties (K = 39.5, Q × F = 33,000), which are markedly superior to the materials prepared via the reaction of BaCO3 and TiO2 powders. Direct reactive-sintering of nano-BaTiO3 and TiO2 mixture directly leads to even better microwave dielectric properties, which is ascribed to the more completeness in converting the BaTiO3 particulates into Ba2Ti9O20 Hollandite-like phase.
    Relation: Ferroelectrics 332, pp.139-146
    DOI: 10.1080/00150190500316192
    Appears in Collections:[物理學系暨研究所] 期刊論文

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