% IMPORTANT: The following is UTF-8 encoded. This means that in the presence % of non-ASCII characters, it will not work with BibTeX 0.99 or older. % Instead, you should use an up-to-date BibTeX implementation like “bibtex8” or % “biber”. @ARTICLE{Jolie:154065, author = {Jolie, Wouter and Craes, Fabian and Petrović, Marin and Atodiresei, Nicolae and Caciuc, Vasile and Blügel, Stefan and Kralj, Marko and Michely, Thomas and Busse, Carsten}, title = {{C}onfinement of {D}irac electrons in graphene quantum dots}, journal = {Physical review / B}, volume = {89}, number = {15}, issn = {1098-0121}, address = {College Park, Md.}, publisher = {APS}, reportid = {FZJ-2014-03467}, pages = {155435}, year = {2014}, abstract = {We observe spatial confinement of Dirac states on epitaxial graphene quantum dots with low-temperature scanning tunneling microscopy after using oxygen as an intercalant to suppress the surface state of Ir(111) and to effectively decouple graphene from its metal substrate. We analyze the confined electronic states with a relativistic particle-in-a-box model and find a linear dispersion relation. The oxygen-intercalated graphene is p doped [ED=(0.64±0.07) eV] and has a Fermi velocity close to the one of free-standing graphene [vF=(0.96±0.07)×106 m/s].}, cin = {IAS-1 / PGI-1}, ddc = {530}, cid = {I:(DE-Juel1)IAS-1-20090406 / I:(DE-Juel1)PGI-1-20110106}, pnm = {422 - Spin-based and quantum information (POF2-422)}, pid = {G:(DE-HGF)POF2-422}, typ = {PUB:(DE-HGF)16}, UT = {WOS:000335228300004}, doi = {10.1103/PhysRevB.89.155435}, url = {https://juser.fz-juelich.de/record/154065}, }