Modification of the conductance of single fullerene molecules by endohedral doping
Strozecka, Anna; Muthukumar, Kaliappan; Dybek, Aneta; Dennis, T. John; Larsson, J. Andreas; Myslivecek, Josef; Voigtlaender, Bert
Date:
2009
Copyright:
© 2009 American Institute of Physics.This article may be downloaded for personal use only. Any other use requires prior permission of the author and AIP Publishing. The following article appeared in Stróżecka, A., Muthukumar, K., Dybek, A., Dennis, T. J., Larsson, J. A., Mysliveček, J. and Voigtländer, B. (2009) 'Modification of the conductance of single fullerene molecules by endohedral doping', Applied Physics Letters, 95(13), pp. 133118 and may be found at http://aip.scitation.org/doi/abs/10.1063/1.3236529
Citation:
Stróżecka, A., Muthukumar, K., Dybek, A., Dennis, T. J., Larsson, J. A., Mysliveček, J. and Voigtländer, B. (2009) 'Modification of the conductance of single fullerene molecules by endohedral doping', Applied Physics Letters, 95(13), pp. 133118. doi: 10.1063/1.3236529
Abstract:
We use scanning tunneling microscopy to establish controlled contacts to single molecules of endohedrally doped Ce(2)@C(80) fullerenes with C(60) as a reference. The stability of the experimental setup allows for the determination of the conductance of Ce(2)@C(80) relative to the conductance of C(60). The endohedral doping reduces the conductance of Ce(2)@C(80) by a factor of about five with respect to C(60). Ab initio calculations show that the reason for this reduced conductance is the absence of electron orbitals delocalized over the cage of Ce(2)@C(80) in the energy window of the conductance measurement. (C) 2009 American Institute of Physics. (doi:10.1063/1.3236529)
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