000172855 001__ 172855
000172855 005__ 20180913061026.0
000172855 0247_ $$2doi$$a10.1088/1367-2630/12/2/023028
000172855 02470 $$2ISI$$a000274749500004
000172855 037__ $$aARTICLE
000172855 245__ $$aImage potential states as a quantum probe of graphene interfaces
000172855 269__ $$a2010
000172855 260__ $$c2010
000172855 336__ $$aJournal Articles
000172855 520__ $$aImage potential states (IPSs) are electronic states localized in front of a surface in a potential well, formed by the surface projected bulk band gap on one side and the image potential barrier on the other. In the limit of a two-dimensional solid, a double Rydberg series of IPSs has been predicted, which is in contrast to a single series present in three-dimensional solids. Here, we confirm this prediction experimentally for mono- and bilayer graphene. The IPSs of epitaxial graphene on SiC are measured by scanning tunneling spectroscopy and the results are compared with ab-initio band structure calculations. Despite the presence of the substrate, both calculations and experimental measurements show that the first pair of the double series of IPSs survives and eventually evolves into a single series for graphite. Thus, IPSs provide an elegant quantum probe of the interfacial coupling in graphene systems.
000172855 6531_ $$aSpectroscopy
000172855 6531_ $$aPhotoemission
000172855 6531_ $$aGraphite
000172855 6531_ $$aDynamics
000172855 6531_ $$aBand
000172855 700__ $$aBose, Sangita
000172855 700__ $$aSilkin, Vyacheslav M.
000172855 700__ $$aOhmann, Robin
000172855 700__ $$aBrihuega, Ivan
000172855 700__ $$aVitali, Lucia
000172855 700__ $$aMichaelis, Christian H.
000172855 700__ $$aMallet, Pierre
000172855 700__ $$aVeuillen, Jean Yves
000172855 700__ $$aSchneider, M. Alexander
000172855 700__ $$aChulkov, Evgueni V.
000172855 700__ $$aEchenique, Pedro M.
000172855 700__ $$0240038$$aKern, Klaus$$g105546
000172855 773__ $$j12$$q-$$tNew Journal Of Physics
000172855 909C0 $$0252366$$pLSEN$$xU10152
000172855 909CO $$ooai:infoscience.tind.io:172855$$pSB$$particle
000172855 917Z8 $$x173008
000172855 937__ $$aEPFL-ARTICLE-172855
000172855 973__ $$aEPFL$$rREVIEWED$$sPUBLISHED
000172855 980__ $$aARTICLE