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    Please use this identifier to cite or link to this item: http://ir.lib.ksu.edu.tw/handle/987654321/9375

    Title: Synthesis and Properties of TiO2 Added NiNb2O6 Microwave Dielectric Ceramics Using a Simple Process
    Authors: 劉依政
    Yi-Cheng Liou;Chao-Yang Shiue;Min-Hang Weng
    Contributor: 崑山科技大學電子工程系
    Keywords: Powders-solid state reaction
    Dielectric properties
    Date: 2010-01-07
    Issue Date: 2010-03-11 16:10:46 (UTC+8)
    Abstract: TiO2 added NiNb2O6 ceramics produced using a reaction-sintering process were investigated. Pure columbite NiNb2O6 could be obtained without
    TiO2 addition. With 30 and 40 mol% TiO2 addition, a phase with the same structure of Ni0.5Ti0.5NbO4 formed. Grain growth is easier in pellets
    with 30 and 40 mol% TiO2 addition than in the NiNb2O6 pellets. Microwave dielectric properties: εr = 20.7, Q×f = 19,800 GHz (at 9 GHz) and
    τf =−31.9 ppm/◦C were obtained for NiNb2O6 pellets sintered at 1300 ◦C/2 h. εr around 45, Q×f = 5400–7700 GHz (at 6 GHz) and τf ∼73 ppm/◦C
    were obtained in pellets with 30 mol% TiO2 addition. εr around 50, Q×f = 3800–5700 GHz (at 6 GHz) and τf ∼99 ppm/◦C were obtained in pellets
    with 40 mol% TiO2 addition.
    Relation: Journal of the European Ceramic Society 29 (2009) 1165–1171
    Appears in Collections:[電子工程系所] 期刊論文

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