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@ARTICLE{Ueba:2774,
author = {Ueba, H. and Hayashi, M. and Paulsson, M. and Persson, B.
N. J.},
title = {{A}dsorbate hopping via vibrational-mode coupling induced
by femtosecond laser pulses},
journal = {Physical review / B},
volume = {78},
number = {11},
issn = {1098-0121},
address = {College Park, Md.},
publisher = {APS},
reportid = {PreJuSER-2774},
pages = {113408},
year = {2008},
note = {We thank M. Bonn for critical reading of the manuscript and
valuable comments and U. Hofer for useful discussions. The
present work was supported by the Grant-in-Aid for
Scientific Research B (No. 18340085) from the Japan Society
for the Promotion of Science.},
abstract = {We study the heat transfer from femtosecond laser-heated
hot electrons in a metal to adsorbates in the presence of
vibrational-mode coupling. The theory is successfully
applied to the experimental result of atomic oxygen hopping
on a vicinal Pt(111) surface. The effective friction
coupling between hot electrons and the vibrational mode
relevant to the hopping motion depends on the transient
temperature of the partner mode excited by hot electrons.
The calculated two-pulse correlation and fluence dependence
of the hopping probability reproduce the experimental
results, which were previously analyzed using the
hot-electron temperature (Te)-dependent friction eta(a)(Te)
in a conventional heat transfer equation. A possible
elementary process behind such a hypothetic modeling using
eta(a)(Te) is discussed in terms of an indirect heating of
the vibrational mode for hopping at the surface.},
keywords = {J (WoSType)},
cin = {IFF-1},
ddc = {530},
cid = {I:(DE-Juel1)VDB781},
pnm = {Kondensierte Materie},
pid = {G:(DE-Juel1)FUEK414},
shelfmark = {Physics, Condensed Matter},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000259690800026},
doi = {10.1103/PhysRevB.78.113408},
url = {https://juser.fz-juelich.de/record/2774},
}