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研究生: 劉益郎
Liu, Yi-Lang
論文名稱: 添加CuO與TiO2對鋅鐵氧磁體結構與電磁性質影響之研究
Effects of the addition of CuO and TiO2 on the structure and electromagnetic properties of Zn-ferrites
指導教授: 向性一
Hsiang, Hsing-I
學位類別: 碩士
Master
系所名稱: 工學院 - 資源工程學系
Department of Resources Engineering
論文出版年: 2007
畢業學年度: 95
語文別: 中文
論文頁數: 72
中文關鍵詞: 介電性質電磁性質陶瓷電子材料
外文關鍵詞: Dielectric properties, Electromagnetic properties, Ceramics, Electric materials
相關次數: 點閱:91下載:5
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  • 利用積層技術整合磁性及非磁性鐵氧磁體,有助於開發L/C EMI
    複合元件。由於製備過程中需考慮電感及電容材料之相容性,使得
    製備之困難度提高。文獻中提及可利用一與NiCuZn鐵氧磁體相容之
    非磁性材料夾在磁性材料與介電材料間,將可降低製作複合元件之
    困難度。雖然前人已將製程上的相關問題解決,但尚未明確地解釋
    其原因。本論文在此將探討添加CuO與TiO2,對鋅鐵氧磁體結構與電
    磁性質之影響。

    Integration of the magnetic ferrites and the non-magnetic ferrite uses the way of utilizing laminated technology that helps developing the L/C EMI composite parts. Owing to the consistency between inductance and capacitance the process of integration becomes more complicated. The literature indicated that non-magnetic materials placing in between the magnetic materials and capacitance could reduce the complication during process. Despite the problem-resolving related to process, the explicit explanation has not given from the past scholar yet. This research now studies the effects of the addition of CuO and TiO2 on the structure and electromagnetic properties of Zn-ferrites.

    中文摘要 I Abstract I 誌謝 II 總目錄 III 表目錄 IV 圖目錄 IV 第一章 序論 1 1.1 前言 1 1.2 研究目的 2 第二章 理論基礎 3 2.1 尖晶石型晶體結構 3 2.1-1 陽離子分布傾向 4 2.1-2 晶場穩定能 4 2.2 電學現象 6 2.2-1 導電機制 6 2.2-2 介電現象 9 2.2-3 阻抗分析法 12 2.2-4 電模數分析法 16 2.3 磁性理論 17 2.3-1 基本原理 18 2.3-2 磁性氧化物 19 2.3-3 鐵氧磁體磁性來源之機制 21 第三章 實驗步驟與方法 32 3.1 實驗藥品 32 3.2 實驗流程 32 3.2-1 粉末製備 32 3.2-2 試片製備 32 3.3 材料特性分析 33 3.3-1 XRD 鑑定 33 3.3-2 密度量測 33 3.3-3 DIL 分析 34 3.3-4 SEM顯微結構觀察 34 3.3-5 EPMA 圖譜分析 34 3.3-6 電性量測 35 3.3-7 SQUID 磁性分析 35 第四章 結果與討論 39 4.1 結構分析 39 4.1-1 X光繞射分析 39 4.1-2 密度分析與DIL結果 42 4.1-3 顯微結構觀察結果 44 4.2 電性分析 46 4.2-1 比電阻率 46 4.2-2 介電性質 47 4.2-3 阻抗分析 50 4.3 磁性分析 50 第五章 結論 67 參考文獻 69

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