Spatially dependent inelastic tunneling in a single metallofullerene.
We have measured the elastic and inelastic tunneling properties of isolated Gd@C(82) molecules on Ag(001) using cryogenic scanning tunneling spectroscopy. We find that the dominant inelastic channel is spatially well localized to a particular region of the molecule. Ab initio pseudopotential density-functional theory calculations indicate that this channel arises from a vibrational cage mode. We further show that the observed inelastic tunneling localization is explained by strong localization in the molecular electron-phonon coupling to this mode.
Grobis
M
M
Department of Physics, University of California at Berkeley, Berkeley, California 94720-7300, USA.
Khoo
K H
KH
Yamachika
R
R
Lu
Xinghua
X
Nagaoka
K
K
Louie
Steven G
SG
Crommie
M F
MF
Kato
H
H
Shinohara
H
H