Conductance of single 1,4-disubstituted benzene molecules anchored to Pt electrodes

Kiguchi, Manabu; Miura, Shinichi; Hara, Kenji; Sawamura, Masaya; Murakoshi, Kei

doi:10.1063/1.2757592


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Conductance of single 1,4-disubstituted benzene molecules anchored to Pt electrodes

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Title:	Conductance of single 1,4-disubstituted benzene molecules anchored to Pt electrodes
Authors:	Kiguchi, Manabu Browse this author
	Miura, Shinichi Browse this author
	Hara, Kenji Browse this author
	Sawamura, Masaya Browse this author
	Murakoshi, Kei Browse this author
Issue Date:	30-Jul-2007
Publisher:	American Institute of Physics
Journal Title:	Applied Physics Letters
Volume:	91
Issue:	5
Start Page:	053110
Publisher DOI:	10.1063/1.2757592
Abstract:	The authors have studied the conductance of a 1,4-disubstituted isocyanide(–NC) or thiol(–SH) benzene molecule anchored to two Pt electrodes. A single molecular junction showing a well-defined conductance value (~3×10−2G0, G0=2e2/h) was fabricated with the Pt electrodes. The conductance of the molecular junction was one order higher than the previously documented value using Au electrodes. These observations could be explained by differences in the local density of states of the contact metal atom at the Fermi level and the extent of the hybridization and energy difference between the molecular and metal orbitals. Further insight into the binding strengths of the metal-anchoring group bond was obtained by statistically analyzing the stretching length of the molecular junction. ©2007 American Institute of Physics
Rights:	Copyright © 2007 American Institute of Physics
Relation:	http://apl.aip.org/apl/
Type:	article
URI:	http://hdl.handle.net/2115/29648
Appears in Collections:	理学院・理学研究院 (Graduate School of Science / Faculty of Science) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 木口学

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