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研究生: 賴志彥
Chih-Yen Lai
論文名稱: 成長式奈米碳管場效電晶體與旋塗式奈米碳管場效電晶體之電特性比較
Electrical Properties of Insitu-Growth CNTFET and Spin-Coating CNTFET
指導教授: 張廖貴術
Kuei-Shu Chang-Liao
口試委員:
學位類別: 碩士
Master
系所名稱: 原子科學院 - 工程與系統科學系
Department of Engineering and System Science
論文出版年: 2005
畢業學年度: 93
語文別: 中文
論文頁數: 102
中文關鍵詞: 奈米碳管碳管電晶體成長旋塗
外文關鍵詞: Carbon, Nanotube, CNT, FET, Growth, Spin-Coating
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  • 本篇論文是研究如何利用不同的製程與元件結構,改善奈米碳管場效電晶體的電特性,並利用分析儀器來分析所成長之奈米碳管的物理性質。
    在元件製程方面,我們使用成長式與旋塗式這兩種方法來製得奈米碳管場效電晶體,經比較這兩者的電特性,我們知道使用成長式方法所製得的電晶體,不管在電特性、製程的穩定性與元件製作效率,其表現都遠比使用旋塗式方法製得的電晶體來的好。在元件結構方面,我們利用具S/D接面隔離的結構,製得了一單極性的奈米碳管場效電晶體,使得其在邏輯電路上實用性大大地提高。我們也試著把試片放到真空下量測,由量測結果得知,在真空下的奈米碳管場效電晶體會由P型變成N型。
    在奈米碳管物性分析方面,我們利用SEM及AFM測量碳管的直徑,使用拉曼光譜來分析碳管的性質。經由結合AFM及拉曼分析的結果,我們確認了所成長的碳管確實為單壁奈米碳管。


    摘要…………………………………………………………………… Ⅰ 致謝…………………………………………………………………… Ⅱ 目錄…………………………………………………………………… Ⅲ 第一章 緒論 1.1 奈米碳管的發現與生成………………………………………… 2 1.2 奈米碳管的類別及電特性……………………………………… 4 1.3 奈米碳管在電子元件上的發展與應用………………………… 5 1.4 論文概要………………………………………………………… 6 第二章 元件結構及實驗步驟 2.1 元件測試結構.……..…………………………………………… 16 2.1.1 成長式CNTFET的測試結構..………………………………16 2.1.2 旋塗式CNTFET的測試結構……….………………………17 2.2 光罩佈局設計.…………………………………………...………17 2.2.1 成長式CNTFET的光罩佈局設計………………………… 17 2.2.2 旋塗式CNTFET的光罩佈局設計..…………………………18 2.3 元件製作流程...………………………………………………….18 2.3.1 成長式奈米碳管場效電晶體製作流程.……………………19 2.3.2 旋塗式奈米碳管場效電晶體製作流程…………………… 20 2.4 碳管的成長與塗佈...……………………………………………20 2.4.1 碳管的成長.…………………………………………………21 2.4.1 碳管的塗佈.…………………………………………………21 第三章 成長式奈米碳管場效電晶體 3.1 以電崩潰去除金屬性奈米碳管…………………………………32 3.2 薄介電層成長式CNTFET………………………………………33 3.2.1 薄介電層成長式CNTFET電崩潰實驗…………………… 34 3.2.2 薄介電層成長式CNTFET基本電特性.……………………35 3.3 厚介電層成長式CNTFET………………………………………36 3.3.1 厚介電層成長式CNTFET電崩潰實驗.……………………36 3.3.2 厚介電層成長式CNTFET基本電特性.……………………36 3.4 具S/D接面隔離之薄閘氧化層成長式CNTFET………………37 3.4.1 具S/D接面隔離之薄閘氧化層成長式CNTFET經RTA前之基本電特性.…………………………………………………38 3.4.2 具S/D接面隔離之薄閘氧化層成長式CNTFET經RTA前之基本電特性.…………………………………………………39 3.5 結論………………………………………………………………40 第四章 旋塗式奈米碳管場效電晶體 4.1 實驗簡介…………………………………………………………61 4.1.1碳管粉末的規格...……………………………………………61 4.1.2 實驗方法介紹.………………………………………………62 4.2 旋塗式CNTFET之基本電特性…………………………………63 4.2.1 薄介電層旋塗式CNTFET的結構與基本電特性…………63 4.2.2 厚介電層旋塗式CNTFET的結構與基本電特性…………63 4.2.3 具S/D接面隔離之薄閘氧化層旋塗式CNTFET的結構與基本電特性.……………………………………………………64 4.3成長式CNTFET和旋塗式CNTFET的比較……………………65 4.3.1實驗過程的比較...……………………………………………65 4.3.2基本電特性的比較...…………………………………………65 4.4 結論………………………………………………………………66 第五章 成長式CNTFET之後續分析 5.1 碳管成長後之物性分析…………………………………………79 5.1.1 SEM及AFM分析……………………………………………79 5.1.2 拉曼光譜分析.………………………………………………80 5.2 大氣環境對CNTFET電特性的影響……………………………81 5.2.1 真空對CNTFET極性的影響.………………………………81 5.2.2 CNTFET的遲滯現象...………………………………………82 5.3 結論………………………………………………………………83 第六章 結論與後續工作建議…………………………………………98 6.1 結論………………………………………………………………92 6.2後續工作建議.……………………………………………………93 參考文獻..………………………………………………………………94

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