A complete ARPES and DFT study shows the intercalated Pb layer under graphene on SiC has metallic, mostly out-of-plane pz bands, and temperature-dependent doping reveals charge transfer from both Pb and SiC.
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Pb-intercalated epitaxial graphene on SiC: Full insight into band structure and orbital character of interlayer Pb, and charge transfer into graphene
A complete ARPES and DFT study shows the intercalated Pb layer under graphene on SiC has metallic, mostly out-of-plane pz bands, and temperature-dependent doping reveals charge transfer from both Pb and SiC.