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SUMMARY:Polaron Formation in Graphene Nanoribbons
DTSTART:20110412T110000
DTSTAMP:20260513T030854Z
UID:f74e93030f0887529f3c6e730888f1c634ec5400aa46dadc908f11ea
CATEGORIES:Conferences - Seminars
DESCRIPTION:IVO BATISTIĆ\, University of Zagreb\, Croatia\, AVADH SAXENA\
 , ALAN BISHOP\, Los Alamos National Lab\nThe tight-binding SSH model\, com
 monly used to describe trans- and cis-polyacetylene and other conducting p
 olymers\, can also be applied to study polaron formation in the recently s
 ynthesized graphene nanoribbons. Within the model we find that the stabili
 ty of a polaron is strongly dependent not only on the type of the ribbon (
 armchair vs. zig-zag)\, but also on the ribbon width. The formation of pol
 aron implies the existence of localized energy states within the electroni
 c band and localized lattice deformation as well as localized phonon excit
 ations. All these properties can be calculated within the SSH model making
  predictions on experimental measurements of optical\, electronic and tran
 sport properties of graphene nanoribbons
LOCATION:PH L1 503
STATUS:CONFIRMED
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