研究生: |
陳凱榆 |
---|---|
論文名稱: |
奈米碳管分子結間電子傳輸與干涉現象之第一原理研究 An ab initio Study on the Interference Phenomenon in the Transmission of the CNT-molecule-CNT Junctions |
指導教授: | 陳穎叡 |
學位類別: |
碩士 Master |
系所名稱: |
物理學系 Department of Physics |
論文出版年: | 2013 |
畢業學年度: | 101 |
語文別: | 英文 |
論文頁數: | 32 |
中文關鍵詞: | 第一原理 、奈米碳管 、電子傳輸 、干涉 、分子結 、密度泛函理論 |
英文關鍵詞: | ab initio, carbon nanotube, transmission, interference, molecular junction, DFT |
論文種類: | 學術論文 |
相關次數: | 點閱:247 下載:10 |
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本篇論文以奈米碳管(Carbon Nanotube, CNT)與分子結構所形成的一維系統為題,利用第一原理(Ab initio)方法計算其傳輸性質;依據分子結構的不同,發現會有干涉現象的產生。藉由與緊束縛模型(Tight Binding model)所得的結果相互比對,透過傳輸係數(Transmission Coefficients)及態密度(Density of States, DOS)的分析,可歸納出影響類似此種結構之奈米電子元件的電子傳輸性質為何,並且進一步地了解量子傳輸理論(Quantum Transport Theory)。
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