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タイトル: Molecular Tips for Chemically Selective STM
その他のタイトル: 分子探針による化学選択性STM
著者: Nishino, Tomoaki
著者(別言語): 西野, 智昭
発行日: 2004年4月8日
抄録: Scanning tunneling microscopy (STM) has been a powerful tool in surface science. STM, however, often lacks chemical selectivity. In this laboratory, it has been demonstrated that the use of molecular tips allows STM to attain the chemical selectivity. The chemical selectivity arises from the facilitation of electron tunneling by chemical interactions between tip molecules and particular chemical species of sample molecules. The available interactions reported so far include hydrogen bond and metal-coordination interactions. In the present study, I showed facilitation of electron tunneling through charge-transfer interaction, which allows us to locate electroactive moieties and to construct a novel intermolecular junction for testing molecular-scale electronic devices. In addition, it was demonstrated that carboxy-terminated single-walled carbon nanotube (SWNT) tips enable high resolution and chemically selective observation. Finally, it was shown that the selective observation of oxygen-containing functional groups can be tailored by controlling the extent of the hydrogen bond acidity or basicity of tip molecules.
内容記述: 報告番号: 乙15970 ; 学位授与年月日: 2004-04-08 ; 学位の種別: 論文博士 ; 学位の種類: 博士(理学) ; 学位記番号: 第15970号 ; 研究科・専攻: 理学系研究科
URI: http://hdl.handle.net/2261/51219
出現カテゴリ:021 博士論文


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