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Quantized conductance behavior of Pt metal nanoconstrictions under electrochemical potential control

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タイトル: Quantized conductance behavior of Pt metal nanoconstrictions under electrochemical potential control
著者: Konishi, Tatsuya 著作を一覧する
Kiguchi, Manabu 著作を一覧する
Murakoshi, Kei 著作を一覧する
キーワード: Scanning tunneling microscopy
Electrochemical potential
Conductance quantization
Point contact
Hydrogen
Platinum
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: 4122
終了ページ: 4126
出版社 DOI: 10.1016/j.susc.2007.04.071
抄録: We studied the quantized conductance behavior of mechanically fabricated Pt nanoconstrictions under electrochemical potential control in H2SO4, Na2SO4, and NaOH solutions. There was no clear feature in the conductance histogram, when the electrochemical potential of the nanoconstrictions was kept at the double layer or the under potential deposited hydrogen potential. At the hydrogen evolution potential, the conductance histograms showed clear features around 0.5 and 1 G0 in the H2SO4 solution. In Na2SO4, and NaOH solutions, a 1 G0 feature with a shoulder appeared in the histogram. The quantized conductance behavior of Pt nanoconstrictions could be controlled by the electrochemical potential and solution pH.
Relation (URI): http://www.sciencedirect.com/science/journal/00396028
資料タイプ: article (author version)
URI: http://hdl.handle.net/2115/29766
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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