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Fabrication of stable metal nanowire showing conductance quantization in solution

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タイトル: Fabrication of stable metal nanowire showing conductance quantization in solution
著者: Kiguchi, Manabu 著作を一覧する
Miura, Shinichi 著作を一覧する
Murakoshi, Kei 著作を一覧する
キーワード: Electrical transport measurements
Electrochemical potential control
Scanning tunneling microscopy
Conductance quantization
Nanowire
Organic molecules
Copper
発行日: 2007年 9月15日
出版者: Elsevier B.V.
誌名: Surface Science
巻: 601
号: 18
開始ページ: 4127
終了ページ: 4130
出版社 DOI: 10.1016/j.susc.2007.04.070
抄録: We have mechanically fabricated Cu nanowires in solutions with and without thiourea. In both solutions, the conductance was quantized in units of G0 (2e2/h). A well-defined 1 G0 peak was observed in the conductance histogram. While the conductance value was not changed, the stability of the mono atomic contact was improved by adding thiourea. The effect of thiourea on the stability of the atomic contact was investigated by measuring the stretched length of the atomic contact. The average length of the last plateau was 0.044 nm in the solution without thiourea. The length increased to 0.076 nm in the solution with thiourea. The stabilization could be explained by the decrease in the surface energy caused by adsorption of thiourea molecules on the Cu nanowires.
Relation (URI): http://www.sciencedirect.com/science/journal/00396028
資料タイプ: article (author version)
URI: http://hdl.handle.net/2115/29752
出現コレクション:雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

提供者: 木口 学

 

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