Dynamic Jahn-Teller effect in electronic transport through single C60 molecules

被引：52

作者：

Frederiksen, Thomas ^{[1
,2
]}

Franke, Katharina J. ^{[3
]}

Arnau, Andres ^{[1
,4
,5
]}

Schulze, Gunnar ^{[3
]}

Pascual, Jose Ignacio ^{[3
]}

Lorente, Nicolas ^{[6
]}

机构：

[1] DIPC, E-20018 Donostia San Sebastian, Spain

[2] CIC NanoGUNE Consolider, E-20009 Donostia San Sebastian, Spain

[3] Free Univ Berlin, Inst Expt Phys, D-14195 Berlin, Germany

[4] Univ Basque Country, Fac Quim, Dept Fis Mat, E-20080 Donostia San Sebastian, Spain

[5] Univ Basque Country, CSIC, Ctr Mixto, Ctr Fis Mat, E-20080 Donostia San Sebastian, Spain

[6] Campus Univ Autonoma Barcelona, CSIC ICN, Ctr Invest Nanosci & Nanotechnol, E-08193 Bellaterra, Spain

来源：

PHYSICAL REVIEW B | 2008年 / 78卷 / 23期

关键词：

ab initio calculations; density functional theory; electron-phonon interactions; fullerenes; gold; Jahn-Teller effect; scanning tunnelling microscopy; self-assembly; vibronic states;

D O I：

10.1103/PhysRevB.78.233401

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Low-temperature scanning tunneling spectroscopy and first-principles calculations are used to characterize electron transport through vibronic states of C-60 molecules. This is achieved by positioning a C-60 molecule on top of a molecular self-assembled template on Au(111). In these conditions, conductance spectra are shown to reveal the dynamic Jahn-Teller effect of the C-60 molecule. This vibronic transport study helps in solving a long-standing debate [Phys. Rev. Lett. 74, 1875 (1995); Phys. Rev. Lett. 91, 196402 (2003)] on density-functional calculations of the C-60 electron-phonon coupling strength.

引用

页数：4

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