Electron-induced excitation of vibrations of Ce atoms inside a C 80 cage

A. Stróecka; K. Muthukumar; J. A. Larsson; A. Dybek; T. J.S. Dennis; J. Mysliveček; B. Voigtländer

doi:10.1103/PhysRevB.83.165414

Electron-induced excitation of vibrations of Ce atoms inside a C ₈₀ cage

A. Stróecka^*, K. Muthukumar, J. A. Larsson, A. Dybek, T. J.S. Dennis, J. Mysliveček, B. Voigtländer

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

9 Citations (Scopus)

Abstract

Inelastic electron tunneling spectroscopy of Ce₂@C₈₀ dimetallofullerenes reveals a low-energy inelastic excitation that is interpreted using ab initio calculations and associated with the movements of encapsulated Ce atoms inside the C₈₀ cage. The electron-vibration interaction in Ce₂@C₈₀ is unusually high, inducing a pronounced zero-bias anomaly in differential conductance of Ce ₂@C₈₀. Our observations show that the atoms encapsulated in fullerene cages can actively participate in determining the properties of molecular junctions.

Original language	English
Article number	165414
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	83
Issue number	16
DOIs	https://doi.org/10.1103/PhysRevB.83.165414
Publication status	Published - 14 Apr 2011
Externally published	Yes

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Stróecka, A., Muthukumar, K., Larsson, J. A., Dybek, A., Dennis, T. J. S., Mysliveček, J., & Voigtländer, B. (2011). Electron-induced excitation of vibrations of Ce atoms inside a C ₈₀ cage. Physical Review B - Condensed Matter and Materials Physics, 83(16), Article 165414. https://doi.org/10.1103/PhysRevB.83.165414

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AU - Stróecka, A.

AU - Muthukumar, K.

AU - Larsson, J. A.

AU - Dybek, A.

AU - Dennis, T. J.S.

AU - Mysliveček, J.

AU - Voigtländer, B.

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N2 - Inelastic electron tunneling spectroscopy of Ce2@C80 dimetallofullerenes reveals a low-energy inelastic excitation that is interpreted using ab initio calculations and associated with the movements of encapsulated Ce atoms inside the C80 cage. The electron-vibration interaction in Ce2@C80 is unusually high, inducing a pronounced zero-bias anomaly in differential conductance of Ce 2@C80. Our observations show that the atoms encapsulated in fullerene cages can actively participate in determining the properties of molecular junctions.

AB - Inelastic electron tunneling spectroscopy of Ce2@C80 dimetallofullerenes reveals a low-energy inelastic excitation that is interpreted using ab initio calculations and associated with the movements of encapsulated Ce atoms inside the C80 cage. The electron-vibration interaction in Ce2@C80 is unusually high, inducing a pronounced zero-bias anomaly in differential conductance of Ce 2@C80. Our observations show that the atoms encapsulated in fullerene cages can actively participate in determining the properties of molecular junctions.

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Electron-induced excitation of vibrations of Ce atoms inside a C ₈₀ cage

Abstract

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