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Surface hubbard U of alkali fullerides

Autor
Macovez, R.
Tipus d'activitat
Article en revista
Revista
Journal of electron spectroscopy and related phenomena
Data de publicació
2011
Volum
183
Número
1-2
Pàgina inicial
94
Pàgina final
100
Repositori
http://hdl.handle.net/2117/15081 Obrir en finestra nova
Resum
Wereport a combined photoemission spectroscopy (PES) and inverse photoemission spectroscopy (IPES) study of distilled, phase pure films of C60 and the monomeric fullerides Cs6C60, Cs4C60 and fcc RbC60. The separation between the highest energy PES and lowest energy IPES features, which is a measure of the barrier to hopping, is 1.45 eV in Cs4C60 and 0.7 eV in RbC60. This difference is large enough to explain, in a correlated electron picture, the reported differences in electronic mobility betwe...
Citació
Macovez, R. Surface hubbard U of alkali fullerides. "Journal of electron spectroscopy and related phenomena", 2011, vol. 183, núm. 1-2, p. 94-100.
Grup de recerca
CRnE - Centre de Recerca en Ciència i Enginyeria Multiescala de Barcelona
GCM - Grup de Caracterització de Materials

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