ELECTRONIC TRANSPARENCY OF A SINGLE C-60 MOLECULE

被引：438

作者：

JOACHIM, C ^{[1
]}

GIMZEWSKI, JK ^{[1
]}

SCHLITTLER, RR ^{[1
]}

CHAVY, C ^{[1
]}

机构：

[1] IBM CORP,ZURICH RES LAB,CH-8803 RUSCHLIKON,SWITZERLAND

来源：

PHYSICAL REVIEW LETTERS | 1995年 / 74卷 / 11期

关键词：

D O I：

10.1103/PhysRevLett.74.2102

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We report the first study of electrical contact with an individual molecule (C60). Using a scanning tunneling microscope tip, the electrical current I flowing as a function of tip displacement s towards the molecule is investigated [Is characteristics]. The tunneling current increases approximately exponentially with tip displacement in the tunnel regime, but this behavior changes significantly as contact is established. From the Is data and calculations for C60 we determine an apparent electrical resistance of 54.80 M for the junction at tip contact. In the Landauer formalism, this value is a measurement of the electronic transparence 2.35×10-4 of the molecule under the tip. © 1995 The American Physical Society.

引用

页码：2102 / 2105

页数：4

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